FIRE extinguishers are used to put out fire.
A cold smoke. A really cold chemical.
Chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), and halons are the main chemical pollutants responsible for ozone depletion. These chemicals come from sources like aerosol sprays, refrigerants, solvents, and fire extinguishers, which release them into the atmosphere when used or disposed of.
It suffoctaes the fire by depriving the fire of air which it needs to burn.
Multi-purpose fire extinguishers, like ABC, are typically dry chemical.
D and K fire
No, fire works donot harm ozone layer.The substances that are causing ozone layer depletion are freons, CFC's etc.. These are called as ozone-depleting substances (ODS).
Nitrogen can be used in fire extinguishers as gas propellant.
Class A fire extinguishers - used for fires caused by "ordinary combustibles" aka paper, wood, plastic, cardboard, etc.Class B fire extinguishers - used for fires caused by flammable liquids such as gasoline and oil.Class C fire extinguishers - used for electrical firesClass D fire extinguishers - used for fires caused by explosive or flammable metals (most commonly found in laboratoriesClass K fire extinguishers - used for fires found in commercial kitchens
They form a barrier on the surface of the burning substance - which melts to form an airtight layer - starving the fire of oxygen. Smother the fire
Some fire extinguishers use dry chemicals and some use a foam to extinguish flames. Some fire extinguishers actually still use water, but they're only for use on smaller fires. Others use a dry chemical, mostly sodium bicarbonate, or Carbon Dioxide.
No, there are boats that do not need any fire extinguishers.