industrial worker indoors in old factory. industrial man engineers in hard hats.work at the heavy industry manufacturing factory

manufacturing craftsperson aspirations development industrial horizontal metallurgy occupation production technician engineers equipment expertise metalwork operating repairing repairman workplace hatswork industry business employee engineer mechanic portrait workshop indoors factory colours control hardhat machine worker helmet indoor person safety senior heavy adult space dirty metal plant skill steel hard copy hand male team old man 60s 70s