What are the largest pipes (or mains) in the system? They convey large quantities of water to various points of the system for local distribution to the smaller mains

Dry chemical agent primarily extinguishes fire by preventing the chemical reactions involving heat, fuel, and oxygen, and halts the production of __________________

a. fire-sustaining free radicals b. carbon dioxide c. silica compounds d. metal hydrides

Connecting two objects that conduct electricity with something that is also a conductor is known as:

A. arcing. B. melding. C. bonding. D. grounding.