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  2. Kitchen ventilation - Wikipedia

    en.wikipedia.org/wiki/Kitchen_ventilation

    Ensure that air movement in the kitchen does not cause discomfort. Provide sufficient air for complete combustion at fired appliances, and prevent the risk of carbon monoxide accumulation. Be easy to clean (intermittent e.g., manually, or continuously e.g. using ozone) so that fat residues do not accumulate in the hood and ducts and block air ...

  3. Wet-bulb globe temperature - Wikipedia

    en.wikipedia.org/wiki/Wet-bulb_globe_temperature

    T g = Globe thermometer temperature (measured with a globe thermometer, also known as a black globe thermometer) T d = Dry-bulb temperature (actual air temperature) Temperatures may be in either Celsius or Fahrenheit; Indoors the following formula is used: = +

  4. Indoor–outdoor thermometer - Wikipedia

    en.wikipedia.org/wiki/Indoor–outdoor_thermometer

    In an indoor–outdoor thermometer based on a conventional liquid-in-glass thermometer, the stem of the outdoor thermometer is connected to the bulb by a long, flexible or semi-rigid capillary. The temperature scale is marked on the stem as usual. However, the temperature that is actually measured is the temperature at the bulb. [1]

  5. Heating, ventilation, and air conditioning - Wikipedia

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

    Rooftop HVAC unit with view of fresh-air intake vent Ventilation duct with outlet diffuser vent. These are installed throughout a building to move air in or out of rooms. In the middle is a damper to open and close the vent to allow more or less air to enter the space. The control circuit in a household HVAC installation.

  6. Thermometer - Wikipedia

    en.wikipedia.org/wiki/Thermometer

    A thermometer has two important elements: (1) a temperature sensor (e.g. the bulb of a mercury-in-glass thermometer or the pyrometric sensor in an infrared thermometer) in which some change occurs with a change in temperature; and (2) some means of converting this change into a numerical value (e.g. the visible scale that is marked on a mercury ...

  7. Infrared thermometer - Wikipedia

    en.wikipedia.org/wiki/Infrared_thermometer

    An infrared thermometer is a thermometer which infers temperature from a portion of the thermal radiation sometimes called black-body radiation emitted by the object being measured. They are sometimes called laser thermometers as a laser is used to help aim the thermometer, or non-contact thermometers or temperature guns , to describe the ...