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If there is something burning (a geyser, heater, candle, oil lamp, etc.) more oxygen is replaced by carbon dioxide (and possibly other gases and smoke) and more ventilation is needed. If there is a chimney than the additional need of ventilation just refers to replacing the air that leaves through the chimney with fresh air.
Ventilation is also needed for removing water vaporVapor ( US English) or vapour ( British English) is the gaseous state of matter. Although vapor and gas are frequently used interchangeably, vapor often carries the connotation of gaseous matter in a state of equilibrium with identical matter in a liquid, produced by breathing, burning, and cookingCooking is the act of preparing food for consumption. It encompasses a vast range of methods, tools and combinations of ingredients to improve the flavour and/or digestibility of food. It generally requires the selection, measurement and combining of ingr, and for removing smells, e.g. from a toiletA toilet is a plumbing fixture devised for the disposal of bodily wastes, including urine, feces, menses and vomit. The word toilet can be used to refer to the fixture itself or the room containing it. Etymology The word toilet came to be used in English or kitchenA kitchen is a room used for food preparation. A modern kitchen is typically equipped with a stove or microwave oven and has a sink with water on tap for cleaning food and dishwashing. Modern kitchens often also feature a dishwasher. Some installations to.
See also Gas exchangeGas exchange or respiration takes place at a respiratory surface a boundary between the external environment and the interior of the body. For unicellular organisms the respiratory surface is simply the cell membrane, but for large organisms it usually is, Heating, Ventilation and Air-ConditioningHVAC is an initialism that stands for heating, ventilation, and air-conditioning . This is sometimes referred to as climate control . These three functions are closely interrelated, as they control the temperature and humidity of the air within the buildi.
HVACHVAC is an initialism that stands for heating, ventilation, and air-conditioning . This is sometimes referred to as climate control . These three functions are closely interrelated, as they control the temperature and humidity of the air within the buildi firefighting