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2. Infrared heater - Wikipedia

   en.wikipedia.org/wiki/Infrared_heater

   Infrared heaters can be operated in vacuum or atmosphere. One classification of infrared heaters is by the wavelength bands of infrared emission. Short wave or near infrared for the range from 750 nm to 1.4 μm; these emitters are also named "bright" because still some visible light is emitted; Medium infrared for the range between 1.4 μm and ...

3. Heating, ventilation, and air conditioning - Wikipedia

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

   Heaters are appliances whose purpose is to generate heat (i.e. warmth) for the building. This can be done via central heating. Such a system contains a boiler, furnace, or heat pump to heat water, steam, or air in a central location such as a furnace room in a home, or a mechanical room in a large building.

4. Underdogs (2013 American film) - Wikipedia

   en.wikipedia.org/wiki/Underdogs_(2013_American_film)

   The inventor gets sued by his employer over the intellectual property rights to a new space heater design, and must struggle to keep his invention. The employer's company is also planning to move manufacturing to Mexico, eliminating jobs in the community.

5. From frozen waffles to onions: How recent recalls highlight ...

   www.aol.com/news/frozen-waffles-onions-recent...

   From E. coli traced to slivered onions on McDonald's Quarter Pounders to mass recalls of frozen waffles due to listeria risk, foodborne illness seems ever-present in the headlines.

6. Central heating - Wikipedia

   en.wikipedia.org/wiki/Central_heating

   Later in the 20th century, these were updated to burn fuel oil or gas, eliminating the need for a large coal storage bin near the boiler and the need to remove and discard coal ashes. A cheaper alternative to hot water or steam heat is forced hot air.

7. Here’s the last day to send your gifts in time for the holidays

   www.aol.com/last-day-send-gifts-time-143042135.html

   US Postal Service employees work inside the Los Angeles Mail Processing & Distribution Center on December 3. The facility is currently processing 1 million packages per day. (Mario Tama/Getty Images)