Indoor Air Quality Services

Attic Restoration & Insulation in Aurora, Oregon | One Speed Services

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Why Aurora Attics Need Professional Attention

One Speed Services is headquartered at 22050 Boones Ferry Rd NE, Aurora, Oregon 97002. When you call us for attic restoration or insulation service in Aurora, a technician from your own community is at your door — not a crew dispatched from a distant metro office. We know Aurora’s homes, Aurora’s climate, and the specific conditions that affect attics in Willamette Valley agricultural communities, because this is where we live and work.

Aurora sits at the heart of Marion County, surrounded by some of the most productive agricultural land in Oregon. That agricultural character — combined with the Willamette Valley’s seven-month wet season, older housing stock, and increasingly severe wildfire smoke seasons — creates attic conditions that are specific to this part of Oregon and that require a professional eye to assess accurately.

Your attic is not an empty storage space above the ceiling. It is the single most important thermal boundary in your home — the primary barrier between your conditioned living space and the extreme temperatures outside. When it is properly insulated and in good condition, it keeps your home warm in winter, cool in summer, and energy efficient year-round. When it is compromised — whether by inadequate insulation, pest activity, moisture damage, mold, or decades of accumulated contamination — it costs your family money, comfort, and in some cases health.

Research conducted by ICF Consulting found that an estimated 89 percent of U.S. single-family homes are under-insulated. In a Willamette Valley community like Aurora, where a significant portion of the housing stock predates modern energy code requirements, the probability of inadequate attic insulation is even higher than the national average. The Oregon Environmental Council documents that because nearly half of all Oregon homes were built before 1980, a large share of the state’s residential housing would benefit significantly from additional insulation and air sealing.

The Aurora Attic Problem: What’s Actually Happening Overhead

Older Homes and Pre-Code Insulation

Aurora is one of Oregon’s oldest organized communities, founded in 1856. The residential neighborhoods surrounding the Aurora Colony Historic District and along Hwy 99E contain homes built across multiple decades, many of which were constructed under building standards that allowed for minimal or no attic insulation by today’s benchmarks. A home built in Aurora in 1955, 1962, or even 1978 may have original insulation that has never been professionally assessed — and original insulation from those eras frequently degrades to a fraction of its rated R-value over time.

The 2023 Oregon Residential Specialty Code, effective April 1, 2024, requires flat attic ceilings to meet R-49 insulation values for new construction in Oregon. The Oregon Department of Energy recommends that existing homes target a minimum of R-38 in attic floors. Many Aurora homes — particularly those built before the energy crises of the 1970s prompted the first meaningful residential insulation requirements — are operating at R-11 or below. That gap represents thousands of dollars in unnecessary annual heating and cooling costs, and it has been accumulating since the home was built.

The Willamette Valley’s Agricultural Dust and Pollen in Your Attic

Aurora’s position at the heart of Oregon’s grass seed country creates an attic challenge that homeowners in urban areas simply do not face. Willamette Valley grass seed fields produce one of the highest seasonal pollen loads of any residential region in the country, and that pollen — along with fine agricultural dust from field tilling, harvesting, and crop transport — enters attic spaces through ridge vents, soffit vents, and unsealed penetrations throughout the growing season.

Over multiple years without professional assessment, this agricultural particulate accumulates in attic insulation, contributes to the biological conditions that support mold growth, and reduces insulation thermal performance as it compresses and contaminates batt and blown insulation materials. Aurora homeowners managing allergies or respiratory conditions may be unaware that their attic is a reservoir of the same pollen that drives their outdoor seasonal symptoms — and that it recirculates through their HVAC system every time the heat or air conditioning runs.

Willamette Valley Temperature Extremes and Attic Performance

The Willamette Valley experiences a wider temperature range than many Pacific Northwest residents realize. Marion County winters regularly drop into the 20s and 30s Fahrenheit, while summer heat events — which have become increasingly intense in recent years — can push outdoor temperatures above 100 degrees. During the June 2021 Pacific Northwest heat dome, communities throughout the Willamette Valley recorded temperatures well above historical records.

An attic insulated to current code performs as a genuine thermal barrier against both of these extremes. An under-insulated attic performs as neither. In winter, conditioned heat rises through the ceiling and escapes into the attic, forcing your heating system to run continuously to compensate. In summer, solar radiation heats the attic to temperatures that can exceed 150 degrees in uninsulated spaces — and that radiant heat transfers directly downward into the living spaces below, forcing air conditioning systems to work harder and longer to maintain livable temperatures.

NOAA’s National Weather Service Portland office documents the temperature patterns across the Willamette Valley and confirms that Marion County communities face meaningful seasonal heating and cooling demands that make proper attic insulation a year-round priority, not a one-season concern.

Oregon’s Damp Climate and Attic Moisture

The Willamette Valley’s seven-month wet season creates sustained ambient humidity conditions that affect attic spaces throughout the Aurora area. When attic insulation is compressed, wet, or inadequately performing, it creates conditions where moisture can accumulate on cold structural surfaces — the underside of roof sheathing, attic framing, and the tops of ceiling joists — creating the sustained elevated wood moisture content that initiates mold growth and, over time, wood decay.

The U.S. EPA documents that mold can begin growing on wet surfaces within 24 to 48 hours of moisture contact, and that mold exposure causes respiratory irritation, aggravated asthma, and allergic reactions — with heightened risk for children, elderly individuals, and immunocompromised persons. The Oregon Health Authority specifically identifies indoor mold as a significant asthma trigger for Oregon residents. An Aurora attic with moisture-compromised insulation and poor ventilation is an active mold risk — and because attic air migrates downward into living spaces through gaps, penetrations, and ceiling fixtures, it is a whole-home indoor air quality risk.

Wildfire Smoke Infiltration

Oregon’s wildfire seasons now affect Willamette Valley communities with increasing frequency and intensity. The Oregon DEQ’s 2024 Wildfire Trends Report documents multiple unhealthy air quality index events across the Willamette Valley region in recent seasons. When smoke events drive AQI into unhealthy ranges, Aurora homeowners seal their homes and depend on their building envelopes to keep contaminated outdoor air out.

An attic with gaps, unsealed penetrations, and poor air sealing cannot do this job. Fine particulate matter from wildfire smoke infiltrates through attic vents, gaps around recessed light fixtures, and air leakage pathways throughout the ceiling assembly — contributing to sustained indoor particulate exposure long after outdoor air has cleared. Proper attic air sealing is part of your home’s first line of defense against smoke infiltration.

The Real Costs of Under-Insulated and Damaged Attics in the Willamette Valley

The U.S. EPA’s ENERGY STAR program estimates that homeowners can save an average of 15 percent on heating and cooling costs — or approximately 11 percent on total energy costs — through attic insulation and air sealing upgrades. For an Aurora-area household spending $200 per month on heating and cooling, that represents $360 or more in annual savings. Over a decade, a proper attic restoration pays for itself multiple times over in energy costs alone — before accounting for the health, comfort, and home value benefits.

The Energy Trust of Oregon — a nonprofit serving Oregon utility customers — provides cash incentives of $0.75 to $2.25 per square foot for qualifying attic insulation upgrades, and identifies the attic as the single most important area to properly insulate in any Oregon home. The federal Inflation Reduction Act’s 25C Energy Efficient Home Improvement Tax Credit allows homeowners to claim up to 30 percent of qualifying insulation upgrade costs — up to $1,200 annually — through 2032. Combined, these incentives can significantly offset the cost of a professional attic restoration for Aurora homeowners served by PGE, Pacific Power, or other qualifying Oregon utilities.

The Hidden Dangers in Aurora Attics

Rodent Infestation and Contaminated Insulation

Aurora and the surrounding Marion County communities face an ongoing rodent pressure driven by the proximity of agricultural land — grain storage, field crops, and the food sources associated with farming operations attract rat and mouse populations that actively seek warm, sheltered nesting sites in residential attics. Rats and mice do not simply coexist in your attic. They destroy insulation by shredding it for nesting material, contaminate remaining insulation with urine and feces, and gnaw on structural wood, wiring, and HVAC components.

The CDC classifies rodent waste in attic environments as a disease transmission pathway, with documented risks including hantavirus, leptospirosis, and salmonella. Once a rodent infestation has been cleared by an exterminator, the insulation left behind is not salvageable — it is biologically contaminated and must be removed, the attic cavity decontaminated, and fresh insulation installed. Leaving contaminated insulation in place and adding new material on top of it does not solve the problem. It buries it.

One Speed Services performs complete rodent-contaminated insulation removal, attic decontamination using EPA-registered antimicrobial treatments, and fresh insulation installation as an integrated service. We do not leave the problem half-solved.

Mold Growth in Structural Wood and Insulation

When attic insulation fails to maintain adequate thermal performance — whether from age, compression, pest damage, or moisture intrusion — the structural wood of the roof assembly becomes vulnerable to mold colonization. Mold on the underside of roof sheathing, in attic framing, and on insulation surfaces is a documented health hazard and a progressive structural risk. The National Institute of Environmental Health Sciences confirms that mold gradually destroys the materials it colonizes — meaning that an untreated mold problem in your attic framing compounds over time.

Air Leakage and the Stack Effect

An attic with unsealed penetrations — around recessed lights, plumbing vents, wiring chases, and the tops of interior walls — is not just an energy efficiency problem. It is an indoor air quality problem. The stack effect — warm air rising through the home and drawing replacement air upward from below — creates continuous air movement through every gap and penetration between your living space and the attic. Whatever is in the attic air migrates into your living space through these pathways: mold spores, pollen, rodent contamination, VOCs from degrading insulation materials, and fine particulate from wildfire smoke events.

The EPA documents that the combined air leakage in a typical home is the equivalent of leaving a window open every single day of the year. In Aurora homes built before modern air sealing standards, attic air leakage pathways are often extensive and largely invisible without a professional inspection.

The Most Common Attic Problems We Find in Aurora Homes

  • Insulation far below Oregon’s recommended R-38 minimum — common in homes built before the mid-1980s that have never had a professional insulation assessment
  • Pest-contaminated insulation from active or past rodent infestation requiring full removal and decontamination before new material can be installed
  • Mold growth on insulation, roof sheathing, and structural framing driven by moisture intrusion and poor attic ventilation
  • Compressed, degraded, or settled insulation that has lost its rated R-value over decades of service and normal moisture cycling
  • Significant air leakage around recessed light fixtures, plumbing and electrical penetrations, attic hatches, and interior wall top plates
  • Agricultural dust and pollen accumulation in insulation and on attic surfaces from Aurora’s Willamette Valley environment
  • Wildfire smoke particulate infiltration through unsealed attic vents and air leakage pathways
  • Inadequate or blocked attic ventilation contributing to moisture accumulation and temperature extremes
  • Insulation never professionally assessed since original construction — particularly common in Aurora’s older housing stock

Signs Your Aurora Home Needs Attic Restoration or Insulation Upgrade

Higher-than-expected heating and cooling bills. If your energy costs seem disproportionate to your home’s size or your utility rates, inadequate attic insulation is one of the most common causes. Heat rising through an under-insulated ceiling and escaping into the attic is energy you pay for and never receive benefit from.

Rooms that are difficult to keep comfortable. If upper-floor rooms are significantly warmer in summer and colder in winter than the rest of the house, the attic above them is not performing its thermal barrier function.

Musty odors on the upper floor or in the home generally. A persistent earthy or musty smell — particularly one that is more pronounced after rain events or during humid periods — is a reliable indicator of mold activity in the attic above.

Ice dams in winter. Although less common in the Willamette Valley than in colder climates, ice dams at roof edges during cold snaps indicate that heat is escaping through the attic and warming the roof deck unevenly — a direct sign of inadequate insulation and air sealing.

Evidence of rodents in the attic or upper walls. Any scratching sounds, droppings, or signs of nesting activity in attic areas indicate a rodent infestation that has almost certainly compromised insulation and may have introduced biological contamination.

Your home was built before 1985. If your home was built before modern insulation code requirements were in widespread use and has never had a professional attic assessment, it almost certainly warrants inspection.

You recently purchased the home and don’t know its attic history. Previous owners may have addressed — or ignored — attic conditions without disclosure. A professional inspection establishes a reliable baseline for the home you now own.

Our Attic Restoration and Insulation Services

Comprehensive Attic Inspection and Assessment

Every project begins with a thorough professional inspection. Our technicians assess current insulation depth and R-value throughout the attic, identify pest activity or prior infestation evidence, evaluate moisture damage and mold growth on insulation and structural surfaces, inspect attic ventilation adequacy and air leakage pathways, and document all findings in writing with photographs. You receive a complete assessment before any scope of work is proposed or any work begins.

Old Insulation Removal

When existing insulation has been compromised by pest activity, mold, moisture, or significant age-related degradation, removal is not optional — it is the prerequisite for any effective restoration. Our technicians use commercial-grade HEPA-filtered vacuum equipment to safely remove and contain all contaminated insulation and debris, preventing further distribution of contaminants into your home. All removed material is properly bagged, contained, and disposed of in accordance with applicable regulations.

Attic Decontamination and Sanitization

Following insulation removal, we sanitize the attic cavity using EPA-registered antimicrobial treatments to address residual biological contamination from mold, rodent waste, or other pathogens. For attics with documented rodent contamination, we follow safe cleanup protocols that include proper containment and respiratory protection throughout the decontamination process. This step ensures that new insulation is installed into a clean, fully decontaminated substrate — not on top of residual contamination.

Air Sealing

Insulation without air sealing leaves a significant portion of energy loss unaddressed. We identify and seal all accessible air leakage points throughout the attic — recessed light fixtures, plumbing vents, wiring penetrations, attic hatch perimeters, and the tops of interior partition walls — using spray foam, caulk, or other appropriate sealing materials. Proper air sealing is particularly critical in Aurora’s older homes, where decades of settling and multiple renovation cycles have typically created numerous unsealed pathways between the living space and the attic.

New Insulation Installation

Following decontamination and air sealing, we install fresh, high-performance insulation sized to meet or exceed current Oregon code requirements and maximize your home’s energy performance. We install blown-in fiberglass, blown-in cellulose, or batt insulation depending on the specific needs and configuration of your attic, selecting the right material and depth to achieve the appropriate R-value for your climate zone.

Aurora falls within Climate Zone 4/5 of Oregon’s energy code, where the 2023 Oregon Residential Specialty Code specifies R-49 for flat ceilings in new construction, and where the Oregon Department of Energy recommends R-38 as the target for existing homes. Our installations are designed to meet these benchmarks and to qualify for Energy Trust of Oregon incentives where eligible.

Attic Ventilation Assessment and Correction

Adequate ventilation is essential for preventing moisture accumulation and maintaining healthy attic conditions year-round. Our service includes a ventilation assessment and, where ventilation is inadequate or blocked, recommendations and corrections to support the long-term performance of your restored attic and new insulation.

Oregon Code Requirements and Financial Incentives for Aurora Homeowners

The 2023 Oregon Residential Specialty Code requires R-49 for flat attic ceilings in new residential construction across Oregon’s Climate Zones 4 and 5, which includes Aurora and Marion County. The Oregon Department of Energy recommends existing homes target R-38 as a minimum attic floor insulation value.

Energy Trust of Oregon Incentives. The Energy Trust of Oregon offers cash incentives of $0.75 to $2.25 per square foot for qualifying attic insulation upgrades for customers of PGE, Pacific Power, NW Natural, Cascade Natural Gas, and Avista. Eligibility requirements apply — our team can advise on whether your home and utility qualify.

Federal 25C Tax Credit. The Inflation Reduction Act’s Energy Efficient Home Improvement Tax Credit provides up to 30 percent of qualifying insulation and air sealing costs, with an annual cap of $1,200, through 2032. This federal credit stacks with Energy Trust incentives for eligible Aurora homeowners, significantly reducing the net cost of a professional attic restoration.

Serving Aurora and All Surrounding Communities

One Speed Services is headquartered in Aurora and serves the full surrounding region:

Aurora and Immediate Surrounding Communities: Aurora, Hubbard, Donald, Barlow, Canby, Monitor, Brooks

Marion County: Woodburn, Keizer, Salem, Silverton, Stayton, Aumsville, Turner, Jefferson, Mt. Angel, Gervais, St. Paul

Clackamas County: Canby, Molalla, Oregon City, Milwaukie, Wilsonville, Lake Oswego, West Linn, Happy Valley, Gladstone, Estacada, Sandy

Yamhill County: Newberg, McMinnville, Dundee, Dayton, Carlton, Sheridan

Washington County: Beaverton, Hillsboro, Tigard, Tualatin, Sherwood, Forest Grove, Cornelius

Multnomah County: Portland (all neighborhoods), Gresham, Troutdale, Fairview, Wood Village

Columbia County: St. Helens, Scappoose, Rainier

Clark County, Washington: Vancouver, Camas, Washougal, Battle Ground, La Center, Ridgefield

📞 Oregon: (971) 451-2795

📞 Washington: (360) 587-1972

Why Aurora Homeowners Choose One Speed Services

We Are Based Right Here in Aurora. Our office is at 22050 Boones Ferry Rd NE, Aurora, OR 97002. Aurora homeowners get same-day or next-day scheduling, no dispatch delays, and technicians who know Willamette Valley homes from firsthand local experience.

BBB Accredited. Our Better Business Bureau Accreditation reflects an independent evaluation of our business ethics, pricing transparency, and commitment to customer satisfaction — giving you assurance backed by a third party.

600+ Five-Star Reviews From Willamette Valley Homeowners.

“We noticed a significant drop in our heating bills the first month after One Speed Services restored our attic. They found old pest-contaminated insulation we had no idea was up there, removed everything, sanitized, and installed all-new blown insulation. Truly professional from start to finish.”

“I called after suspecting a rodent issue in our attic. The team did a complete inspection, walked me through every finding, and handled the full restoration. BBB accredited and they show it in everything they do.”

“As a family in an older home with kids who have allergies, we were concerned about what was up in our attic. One Speed Services found mold-compromised insulation from a past moisture problem and fully restored the space. The difference in air quality and comfort was immediate.”

Family-Owned and Operated for Decades. When you call (971) 451-2795, you reach a local family business — not a national franchise. Every project reflects on our family name and our reputation in the community where we live.

The Only Comprehensive Indoor Home Health Provider in the Region. One Speed Services offers attic restoration and insulation alongside air duct cleaning, crawl space restoration, mold remediation, rodent cleanup, dryer vent cleaning, basement waterproofing, and more. One call addresses all of it.

We Give Back to Our Community. One Speed Services is proudly involved with the Canby Chamber of Commerce, Sherwood Chamber of Commerce, Habitat for Humanity Portland Region, Oregon Energy Trust, Portland Business Alliance, and Community Association Institute Oregon Chapter.


Schedule Your Aurora Attic Restoration and Insulation Service Today

The attic above your head affects your family’s health, your home’s comfort, and your energy bills every single day. In Aurora’s Willamette Valley environment — with pre-code housing stock, agricultural pollen, persistent damp, and increasingly intense summers — attic performance matters more than it does in most Oregon communities.

One Speed Services is headquartered in Aurora. We know these homes. We are ready.

📞 Call us: (971) 451-2795

✉️ Email: support@onespeedservices.com

🌐 Visit: onespeedservices.com

One Speed Services — Aurora’s Indoor Home Health Team. Family-Owned. BBB Accredited. Based Right Here in the Willamette Valley.

Citations

  1. Insulation Institute — Report: 89% of Homes Are Under-Insulated
  2. Oregon Environmental Council — Weatherization and Home Insulation in Oregon
  3. Oregon Building Codes Division — 2023 Oregon Residential Specialty Code: Insulation Requirements
  4. Oregon Department of Energy — Is Your Home or Office Weatherized?
  5. U.S. EPA ENERGY STAR — Rule Your Attic! For Comfort and Savings
  6. U.S. EPA ENERGY STAR — Why Seal and Insulate?
  7. Energy Trust of Oregon — Residential Insulation Incentives
  8. U.S. EPA — A Brief Guide to Mold, Moisture and Your Home
  9. Oregon Health Authority — Oregon Asthma Program
  10. National Institute of Environmental Health Sciences — Mold and Your Health
  11. Oregon DEQ — 2024 Wildfire Smoke Trends Report
  12. U.S. CDC — Diseases Directly Transmitted by Rodents
  13. NOAA National Weather Service Portland — Willamette Valley Climate Data

Frequently Asked Questions: Attic Restoration & Insulation in Aurora, Oregon

How do I know if my Aurora home needs attic restoration?

If your home was built before the mid-1980s and has never had a professional attic assessment, it almost certainly warrants one. Other indicators include above-average heating and cooling bills, rooms that are hard to keep comfortable, musty odors in upper-floor spaces, any evidence of past rodent activity, and visible mold or moisture staining near ceiling fixtures. Call (971) 451-2795 to schedule a no-obligation inspection.

Can you add new insulation on top of existing insulation?

In some cases yes — but not when existing insulation has been compromised by rodent contamination, mold, or significant moisture damage. Burying contaminated material under fresh insulation does not eliminate the underlying biological hazard. One Speed Services always inspects first and recommends removal only when the condition of existing insulation warrants it.

What R-value does my Aurora attic need?

Aurora falls in Oregon’s Climate Zone 4/5. The 2023 Oregon Residential Specialty Code specifies R-49 for flat ceilings in new construction. The Oregon Department of Energy recommends a minimum R-38 for existing homes. Our technicians measure your current insulation depth and R-value during inspection and recommend the appropriate target for your home and utility provider.

Are there incentives available for Aurora homeowners who upgrade attic insulation?

Yes. The Energy Trust of Oregon offers cash incentives of $0.75–$2.25 per square foot for qualifying upgrades for customers of PGE, Pacific Power, and other qualifying Oregon utilities. The federal 25C tax credit covers up to 30 percent of qualifying costs, up to $1,200 annually, through 2032. Our team advises on applicable programs during the assessment process.

Does rodent activity in the attic mean the insulation has to be replaced?

 In most cases, yes. Rodent waste — urine, feces, and nesting debris — contaminates insulation thoroughly and cannot be remediated in place. The CDC documents specific cleanup protocols for rodent-contaminated spaces that require removal and decontamination. One Speed Services handles the full process: contaminated insulation removal, attic decontamination, and new insulation installation as an integrated service.

How long does a full attic restoration take?

Most residential attic restorations in Aurora-area homes are completed in one to two days. Larger attics, heavily contaminated spaces, or projects involving significant air sealing and ventilation corrections may take longer. We provide a clear timeline estimate after the initial inspection.

Do you serve Canby, Hubbard, Woodburn, Salem, and surrounding Marion County communities?

Yes — all of them and more. Marion County is our home county and we serve every community within it, as well as Clackamas County, the full Portland metro area, and Southwest Washington. Call (971) 451-2795 to confirm availability at your address.

Get in Touch With an Expert Today!

Call or complete our contact form for pricing, or to schedule a free home health evaluation. 

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One Speed Services was contracted to remove the old blown-in insulation from the attic of our 1954 house. Jose and Tanner of One Speed Services arrived at the scheduled time preceded with an appropriate text notification. They surveyed the attic insulation removal job, assessed the needs for equi...

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Katie Perez

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I couldn’t be happier with their service. My initial call to make an appointment and ask questions was so pleasant. Sweetest woman ever! Chaz serviced my home cleaning my vents/HVAC ducts. I’ve never had it done before and was a bit anxious, but he was very kind, and professional, and...

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Annie Seemel

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Edwin and John cleaned the dryer vent as well. Nice team work! They were prompt, very thorough and professional. Best of all, I have peace of mind regarding the air I breathe in my house for the next while. Thank you, Annie

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Sara Miele

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Great service (and company). Domanic did an awesome job cleaning our air ducts and dryer vent. He was very thorough and explained everything he was going to do. The best part was seeing the before and after photos. I highly recommend and will use them again!

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Jennifer Williams

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Rated 5 out of 5

David, Travis and Joe came to my new house to work on my crawlspace and repair sump pumps, wet ducts and the vapor barrier. These three have been great to work with. They were always on time, professional and took as much time as I needed to explain the complicated work that was completed under...

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