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2. Duct (flow) - Wikipedia

   en.wikipedia.org/wiki/Duct_(flow)

   Some flexible duct markets prefer to avoid using flexible duct on the return air portions of HVAC systems, however flexible duct can tolerate moderate negative pressures. The UL181 test requires a negative pressure of 200 Pa. To use flexible ducting in a system, make sure to pull the duct tight so you get the full internal diameter.

3. IDC (electrical connector) - Wikipedia

   en.wikipedia.org/wiki/IDC_(electrical_connector)

   An insulation-displacement contact (IDC), also known as insulation-piercing contact (IPC), is an electrical connector designed to be connected to the conductor(s) of an insulated cable by a connection process which forces a selectively sharpened blade or blades through the insulation, bypassing the need to strip the conductors of insulation ...

4. Cross-linked polyethylene - Wikipedia

   en.wikipedia.org/wiki/Cross-linked_polyethylene

   A cross-linked polyethylene (PEX) pipe. Cross-linked polyethylene, commonly abbreviated PEX, XPE or XLPE, is a form of polyethylene with cross-links.It is used predominantly in building services pipework systems, hydronic radiant heating and cooling systems, domestic water piping, insulation for high tension (high voltage) electrical cables, and baby play mats.

5. Twist-on wire connector - Wikipedia

   en.wikipedia.org/wiki/Twist-on_wire_connector

   Twist-on connectors are also known as wire nuts, wire connectors, cone connectors, or thimble connectors. In Canada, the trade name Marrette (see § History ) is commonly used generically for connectors of any brand.

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Heating, ventilation, and air conditioning - Wikipedia

   en.wikipedia.org/wiki/Heating,_ventilation,_and...

   Heating, ventilation, and air conditioning (HVAC) is the use of various technologies to control the temperature, humidity, and purity of the air in an enclosed space. Its goal is to provide thermal comfort and acceptable indoor air quality .

8. The Best Store-Bought Cinnamon Rolls on the Market

   www.aol.com/best-store-bought-cinnamon-rolls...

   7. Pillsbury Cinnamon Rolls, Cream Cheese Icing. 140 calories, 4.5 grams fat, 10 grams sugar. Pillsbury's rolls are studded with cinnamon-sugar nuggets that melt and spread over the top like a ...

9. A Woman Told Friends Her Boyfriend Was Threatening Her with a ...

   www.aol.com/woman-told-friends-her-boyfriend...

   A South Dakota man is facing murder and manslaughter charges after police say he killed a woman and decapitated her. According to court documents obtained by PEOPLE, Craig Allen Nichols Jr., 32 ...