When a fire has flames higher than your waist, or has dangerous fuel available to burn, or is more fire than your extinguisher is rated for, you need a trained firefighter with proper safety equipment and extinguishing agents.
use fire extinguisher
You should use a fire extinguisher when a fire is small and contained, such as a small grease fire on a stove or a trash bin fire. It is important to remember that you should only attempt to use a fire extinguisher if you have been trained in its proper use and if it is safe to do so. If the fire is large or spreading quickly, evacuate and call emergency services.
your choice, but DO NOT USE ON A FIRE
We are use the co2 as fire extinguisher
Anything with a class "C" rating
There is no more important that Who use an extinguisher, but here is so important that you extinguisher is ok or not, because fire extinguisher is very important for all. I know a site named halon.us which buy damaged extinguisher. I think it will help you all.
you should use dry powder extinguisher
Fire blanket or fire extinguisher, depending on the fire.
Yes, a fire extinguisher works on a grease fire. What you have to avoid with grease fires is throwing water on them, because the burning grease will just float on the water and will be splashed around as the water heats and vaporizes, spreading the fire, rather than being put out. But the carbon dioxide based fire extinguisher doesn't have that problem.
Fire extinguisher
What 'type' the fire is. The right extinguisher must be used for any fire. Or, more importantly - it can be very dangerous to use the wrong type of extinguisher, such as one with water should never be used on an electrical fire.
As a sea captain I know this one. Aim your fire extinguisher at the base of the flame. This will cool and choke off air to the fire. If the fire is an electrical fire you should first cut off the exectrical power. Then use the fire extinguisher. If the fire is an oil fire keep in mind that it can reflash. Try to use a foam fire extinguisher to choke off the air.