Search results
Results from the WOW.Com Content Network
The ballots are burned after each vote. Black smoke indicates a failed ballot, and white smoke means a new Pope has been elected. Colored smoke grenades are commonly used by military forces to mark positions, especially during calls for artillery or air support. Smoke signals may also refer to smoke-producing devices used to send distress signals.
Colored fire is a common pyrotechnic effect used in stage productions, fireworks and by fire performers the world over. Generally, the color of a flame may be red, orange, blue, yellow, or white, and is dominated by blackbody radiation from soot and steam.
Incense smoke Smoke from a fire Billowing smoke at Takaosan Yakuoin Temple firewalking festival in Japan, 2016 Smoke from a bee smoker, used in beekeeping Chemical composition distribution of volatile organic compounds released in smoke from a variety of solid fuels [1] Volatility distribution of volatile organic compound emissions in wood smoke [2] Smoke being emitted from a lit cigarette Oil ...
A fire Tuesday morning at a scrap metal processor on the Near East Side sent up a plume of white smoke, but no injuries were reported. Columbus Fire Battalion Chief Jeff Geitter said firefighters ...
For example, there was a fire in a rubber mattress factory in London in 1975 which produced white smoke. The white smoke was not considered dangerous, so firefighters decided to ventilate, which caused a smoke explosion and killed two firefighters. The white smoke from the pyrolysis of the rubber turned out to be extremely flammable. [citation ...
That means the air quality is dangerous for children, older people and those with respiratory conditions. DAQ must issue a Code Red when the 24-hour average is at least 55.5 nanograms per cubic meter.
Fire is the rapid oxidation of a material (the fuel) in the exothermic chemical process of combustion, releasing heat, light, and various reaction products. [1] [a] At a certain point in the combustion reaction, called the ignition point, flames are produced.
Another type of smoke grenade is filled with white phosphorus (WP), which is spread by explosive action. The phosphorus catches fire in the presence of air, and burns with a brilliant yellow flame, while producing copious amounts of white smoke (phosphorus pentoxide). WP grenades double as incendiary grenades.