Occupational, Interior, Factory ‘A’ (metal works facility), production Hall ‘E’, light activity with quiet periods, machine hammering, forklift with reverse beeping, ventilation noise. Industry, industrial, machinery, ZM-1-3E

Occupational, Interior, Factory ‘A’ (metal works facility), production Hall ‘E’, light activity with quiet periods, machine hammering, forklift with reverse beeping, ventilation noise. Industry, industrial, machinery, ZM-1-3E