Conveyor Rollers This part of Harris had a lot of different conveyor belt parts. Related Similar Images ...based on the tags: spare-parts... I would wager that National Mine became the dumping ground for Chain O’ Mines as the company began to fail. Thousands of tags in a supply closet. Each has lots its meaning. Gaskets still organized on nails beside the power plant. This used to be a maintenance room, but since its roof and walls were torn down, it’s not any kind of room. Pipe fittings in little drawers, lit by tea lights. Industrial blowers, new in the crate. You can see why so few products had bright packaging. If the can here was brown, you’d never see it in a dark wood cabinet. The parts room had the best light in the whole plant. The back of one of the former tractor factories.