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2. Heating, ventilation, and air conditioning - Wikipedia

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

   Heaters exist for various types of fuel, including solid fuels, liquids, and gases. Another type of heat source is electricity, normally heating ribbons composed of high resistance wire (see Nichrome). This principle is also used for baseboard heaters and portable heaters. Electrical heaters are often used as backup or supplemental heat for ...

3. Central heating - Wikipedia

   en.wikipedia.org/wiki/Central_heating

   Electric heating or resistance heating converts electricity directly to heat. Electric heat is often more expensive than heat produced by combustion appliances like natural gas, propane, and oil. Electric resistance heat can be provided by baseboard heaters, space heaters, radiant heaters, furnaces, wall heaters, or thermal storage systems.

4. Hot-dip galvanization - Wikipedia

   en.wikipedia.org/wiki/Hot-dip_galvanization

   Galvanised hand rail Crystalline surface of a hot-dip galvanized handrail, known as "spangle" Protective effect: completely rusted letter box mounted to a hot-dip galvanized wall Steel strip coming out of the zinc pot of a continuous vertical hot-dip galvanizing line. Hot-dip galvanization is a form of galvanization.

5. List of This Old House episodes (seasons 11–20) - Wikipedia

   en.wikipedia.org/wiki/List_of_This_Old_House...

   The guys install the new front porch columns and build a railing system. Abel Lopes and Amy Wrigley tour the house to see progress on the back shed, deleaded window trim and the new tile in bathroom. The guys then discuss baseboard heating and the boilers.

6. Underfloor heating - Wikipedia

   en.wikipedia.org/wiki/Underfloor_heating

   Underfloor heating pipes, before they are covered by the screed. Underfloor heating and cooling is a form of central heating and cooling that achieves indoor climate control for thermal comfort using hydronic or electrical heating elements embedded in a floor. Heating is achieved by conduction, radiation and convection.

7. Explainer-What is US birthright citizenship and can ... - AOL

   www.aol.com/news/explainer-us-birthright...

   Donald Trump has said he plans to end birthright citizenship as part of his promised crackdown on immigration when he becomes president on Jan. 20. Below is a look at U.S. birthright citizenship ...