1. Occupational hazards in confined space
acute occupational poisoning accidents often occur in confined space operations. Common confined spaces include caves, tunnels, sewers and other access channels, septic tanks, boilers, cabins, cellars, etc
Occupational Hazards in confined space mainly include: hydrogen sulfide, carbon monoxide, methane, nitrogen oxides, electric shock, mechanical injury, collapse, biological factors, etc< (2) the principle of preventing occupational hazards in confined space (1) the continuous monitoring of riot prevention, hypoxia and toxic gas in confined space (2) the principle of preventing occupational hazards in confined space (3) the principle of preventing occupational hazards in confined space (4) the principle of preventing occupational hazards in confined space (4) the principle of preventing occupational hazards in confined space (5) the principle of preventing occupational hazards in confined space (5) the principle of