[Instruction of workers in the chemical industry].
LABOK
S I
SI
D002617:Chemical Industry; D006801:Humans; D006920:Hygiene; D007221:Industry; D009784:Occupational Diseases; D009790:Occupations; D013756:Tetraethyl Lead
D013756:Tetraethyl Lead
CHEMICAL INDUSTRY; INDUSTRY AND OCCUPATIONS/hygiene; LEAD/tetraethyl