Rings of reinforcing steel on the conveyor belt in the iron and steel factory

Rings of reinforcing steel on the conveyor belt in the iron and steel factory, iron production, concrete

metallurgy welding steel factory steel construction iron steel factory construction site gas flame job flame metal industry metal industrial equipment production factory worker industrial machine industrial worker machine industrial factory machine metal work work safety ppe equipment heavy equipment safety helmet Iron factory Steel production Metal fabrication Ironworks Steel mill Iron production Raw materials Steel products