My apartment has an area of 1100 sq.ft. I want to install some dry powder(ABC) fire extinguishers. Each will have a capacity of 5 KG/ 3 KG. How many/much KG of fire extinguishers are required?
It's just a bar of copper or other metal, and is manufactured as any other metal bar would be, poured or extruded. Usually a point is cast or ground or turned on the top end.
to release the water pressure an to test them. otherwise in an emergancy maybe they dont work or the pressure isnt adequate
