"The type of fire extinguisher needed depends on the type of fire that needs to be put out. It is critical to determine the type of fire before pulling out the fire extinguisher. The wrong chemicals used on a fire have the potential to make the fire worse or not completely douse the fire. The fire extinguishers should correspond to the type of materials stored in that room. Special care
. should be taken for highly flammable materials.http://www.fire-extinguisher101.com/"