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Long-term complications may include chronic fatigue, trouble with memory, and movement problems. [5] CO is a colorless and odorless gas which is initially non-irritating. [5] It is produced during incomplete burning of organic matter. [5] This can occur from motor vehicles, heaters, or cooking equipment that run on carbon-based fuels. [1]
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Each room has an outlet from the duct system, often mounted in the floor or low on the wall – some rooms will also have an opening into the cold air return duct. Depending on the age of the system, forced-air gas furnaces use either a pilot light or a solid-state ignition system (spark or hot surface ignition) to light the natural gas burner. [3]
An industrial furnace, also known as a direct heater or a direct fired heater, is a device used to provide heat for an industrial process, typically higher than 400 degrees Celsius. [1] They are used to provide heat for a process or can serve as reactor which provides heats of reaction.
An Automatic Oil Muffle Furnace, circa 1910. Petroleum is contained in tank A, and is kept under pressure by pumping at intervals with the wooden handle, so that when the valve B is opened, the oil is vaporized by passing through a heating coil at the furnace entrance, and when ignited burns fiercely as a gas flame.
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About 70 percent are ignited by electrosurgical tools commonly known as Bovies, devices that use a high-frequency electric current to cut tissue or stop bleeding. 20 percent of fires are sparked by hot wires, light sources, burrs or defibrillators. Another 10 percent are touched off by lasers.
The spectrum of light produced by an incandescent lamp closely approximates that of a black body radiator at the same temperature. [85] The basis for light sources used as the standard for color perception is a tungsten incandescent lamp operating at a defined temperature. [86] Spectral power distribution of a 25 W incandescent light bulb.