Conversation so far:
what is the chemical in abc fire extinguishers
Monoammonium phosphate, ABC Dry Chemical, ABE Powder, tri-class, or multi-purpose dry chemical is a dry chemical extinguishing agent used on class A, class B, and class C fires.
can you tell me more about the dry chemical ABC extinguishing agent
Monoammonium phosphate, ABC Dry Chemical, ABE Powder, tri-class, or multi-purpose dry chemical is a dry chemical extinguishing agent used on class A, class B, and class C fires.
how is the dry chemical ABC extinguishing agent used
ABC Dry chemical powder is used on all classes of fires and stops the chain reaction by smothering.

Question: is there a type of fire which the agent is inappropriate for
Self-contained rewrite: is there a type of fire which the dry chemical ABC extinguishing agent is inappropriate for