I worked in a metal foundry,had a big hammer machine that knocked the ceramic off the freshly poured metal parts,machine was loud,had rubber mats wired all around it.was like working in a cave.had to stop every hour to shovel up the ceramic pieces into giant carts and push them up a ramp to be re used.
Was hot,loud and dirty,but,i was alone all day,as long as i was working ,nobody bothered me,but it was minimum wage,i left as soon as i could.