Plant depending on the different use to set the fire extinguishing systems : automatic sprinkler equipment, water screen equipment, water spray system, rain water spray fire-fighting equipment; gas fire extinguishing systems. Industrial buildings smoke is designed to minimize the occurrence of fire, smoke formation, followed by the rapid fire generated smoke to be excluded, to ensure that people's attention, for the evacuation, as the firemen fighting activities create the conditions.

     Smoke shop set consists of two parts: (1) smoke settings: the smoke screen set up, that is, when the fire when the smoke has been generated in the gas line to set the spread of smoke screen, smoke hampered Gas continues to spread. By reference to geographical area of smoke, "Technical Specification for Civil smoke." (2) exhaust system settings: building area of more than 500 square meters of factory and construction area of more than 300 square meters of the Treasury should be set exhaust system, exhaust means can take the form of natural and mechanical smoke exhaust mode.