Crystalline silica Dust, silica, crystalline, exposure, measures, preventive, protect, quartz, granite, marble Tolérance 0
Electricity: electric shock hazard Preventive measures to protect workers exposed to live overhead power lines and those working on electrical installations. Tolérance 0
Exposure to carbon monoxide Preventive measures to protect workers who are exposed to carbon monoxide (CO) Tolérance 0
Exposure to the hazardous areas of a machine Safety precautions for work that must be carried out in the hazardous areas of a machine when there are moving parts or uncontrolled energy sources. Tolérance 0
Unstable rocks Mesures de sécurité pour le travail dans des excavations minières souterraines pour éviter les dangers avec les roches instables. Tolérance 0