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This portable fire extinguisher is a classic copper building type soda acid extinguisher. This can contains a mixed solution of water and sodium bicarbonate with tartaric acid, producing a propellant CO2 gas.

Portable Fire Extinguisher

This portable fire extinguisher is a classic copper building type soda acid extinguisher. This can contains…

A fire hydrant is an active fire protection measure, and a source of water provided in most urban, and rural areas with municipal water service to enable firefighters to tap into municipal water supply to assist in extinguishing a fire.

Fire Hydrant

A fire hydrant is an active fire protection measure, and a source of water provided in most urban, and…