MEDICAL PROBLEMS OF WEARING A COALMINER'S SAFETY HELMET.
D000056:Accident Prevention; D006259:Craniocerebral Trauma; D003872:Dermatitis; D003877:Dermatitis, Contact; D006260:Head Protective Devices; D006801:Humans; D008906:Mining; D012449:Safety
ACCIDENT PREVENTION; DERMATITIS, CONTACT; HEAD INJURIES; MINING