because it takes away all the oxygen
foam
by a foam or sand
Blood is not an effective extinguishing agent for fires. Water, foam, or chemical fire extinguishers are typically used to put out fires.
Water, foam, powdered chemicals like sodium bicarbonate
No, foam is not recommended for oil fires as it can actually spread the fire and cause it to flare up. Foam is better suited for extinguishing class A and B fires, such as wood or paper fires. For oil fires, it is best to use a fire extinguisher specifically designed for class K (kitchen) fires or a fire suppression system designed for commercial kitchens.
yes, because many modern fires contain chemicals and other elements that burn hotter, and are often not affected by water. foam works better because it is specifically designed to put out fires that are either not affected by water, or become more intense when water is added, much like grease fires that arise when cooking.
put foam over the foam
No. I forbid it!
Firefighter's job is to put out fires and to rescue people.
Yes, you can put cold foam on a hot drink.
Foam spray extinguishers are not recommended for fires involving electricity, but are safer than water if inadvertently sprayed onto live electrical apparatus.
Less dense than oil and does not allow oxygen in.