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2. Thermal cutoff - Wikipedia

   en.wikipedia.org/wiki/Thermal_cutoff

   A thermal switch (sometimes thermal reset or thermal cutout (TCO)) is a device which normally opens at a high temperature (often with a faint "plink" sound) and re-closes when the temperature drops. The thermal switch may be a bimetallic strip, often encased in a tubular glass bulb to protect it from dust or short circuit. Another common design ...

3. Furnace (central heating) - Wikipedia

   en.wikipedia.org/wiki/Furnace_(central_heating)

   These furnaces were still big and bulky compared to modern furnaces, and had heavy-steel exteriors with bolt-on removable panels. Energy efficiency would range anywhere from just over 50% to upward of 65% AFUE. This style furnace still used large, masonry or brick chimneys for flues and was eventually designed to accommodate air-conditioning ...

4. Limit switch - Wikipedia

   en.wikipedia.org/wiki/Limit_switch

   A limit switch with a roller-lever operator; this is installed on a gate on a canal lock, and indicates the position of a gate to a control system A limit switch mounted on a moving part of a bridge In electrical engineering , a limit switch is a switch operated by the motion of a machine part or the presence of an object.

5. Mitsubishi Electric Trane HVAC - Wikipedia

   en.wikipedia.org/wiki/Mitsubishi_Electric_Trane_HVAC

   An agreement between Ingersoll Rand and Mitsubishi Electric regarding establishment of the joint venture was reached in January 2018 [1] and the company started operation in mid-2018.

6. Bang–bang control - Wikipedia

   en.wikipedia.org/wiki/Bang–bang_control

   A water heater that maintains desired temperature by turning the applied power on and off (as opposed to continuously varying electrical voltage or current) based on temperature feedback is an example application of bang–bang control. Although the applied power switches from one discrete state to another, the water temperature will remain ...

7. 6 Clever Tricks for Making Holiday Trips Easier With Food ...

   www.aol.com/6-clever-tricks-making-holiday...

   5- Allergy Placemats. If you have kids making sure no one gives them food they cannot have due to food allergens. Watching over them is a full time job at gatherings and parties with food.