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2. Drain-waste-vent system - Wikipedia

   en.wikipedia.org/wiki/Drain-waste-vent_system

   To allow a single roof penetration as permitted by local building code, sub-vents may be tied together inside the building and exit via a common vent stack, frequently the "main" vent. Adding a vent connection within a long horizontal run with little slope will aid flow, and when used with a cleanout allows for better serviceability.

3. Rain gutter - Wikipedia

   en.wikipedia.org/wiki/Rain_gutter

   Rain gutters can be equipped with gutter screens, micro mesh screens, louvers or solid hoods to allow water from the roof to flow through, while reducing passage of roof debris into the gutter. [21] Clogged gutters can also cause water ingress into the building as the water backs up.

4. Kitchen exhaust cleaning - Wikipedia

   en.wikipedia.org/wiki/Kitchen_exhaust_cleaning

   Kitchen exhaust cleaning (often referred to as hood cleaning) is the process of removing grease that has accumulated inside the ducts, hoods, fans and vents of exhaust systems of commercial kitchens. Left uncleaned, kitchen exhaust systems eventually accumulate enough grease to become a fire hazard.

5. Ventilation (firefighting) - Wikipedia

   en.wikipedia.org/wiki/Ventilation_(firefighting)

   Vertical ventilation takes place through holes cut in the roof, typically by truck companies during the early stages of a fire in a process known collectively as roof operations, while horizontal ventilation usually takes place through doors and windows. The goal of each is to clear heat and smoke to increase chances of survival for trapped ...

6. Simple actions can make a big difference to protect homes ...

   www.aol.com/simple-actions-big-difference...

   Zone 3 is the access zone, making sure to clear a path so even if embers are falling, residents can get out and firefighters and first responders can get in. This includes thinking vertically, as ...

7. Plumbing - Wikipedia

   en.wikipedia.org/wiki/Plumbing

   Plastic pipe is in wide use for domestic water supply and drain-waste-vent (DWV) pipe. Principal types include: Polyvinyl chloride (PVC) was produced experimentally in the 19th century but did not become practical to manufacture until 1926, when Waldo Semon of BF Goodrich Co. developed a method to plasticize PVC, making it easier to process.

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9. Atmos offers safety tips for preparing for bitterly cold ...

   www.aol.com/news/atmos-offers-safety-tips...

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