Occupational, Interior, Factory ‘A’ (metal works facility), production Hall ‘B’, insertion machine, distant work activity, ventilation noise. Industry, industrial, machinery, -2 dB, ZM-1-3E

Occupational, Interior, Factory ‘A’ (metal works facility), production Hall ‘B’, insertion machine, distant work activity, ventilation noise. Industry, industrial, machinery, -2 dB, ZM-1-3E