Man adjusting the fire in a wooden blast furnace with a metal poker while heating a large copper pot
Men lifting a copper sheet out of a fire working together using pokers in slow motion
The man working at the shop monitors the temperature in the furnace. Male worker produces control the firing temperature in the furnace refractory bricks
Worker in metal shop using grinder on metal cabinet
Woman entrepreneur in white shirt is holding white paper sheets and tearing them in half with poker face. Posing on gray background. Close up
Hardening of machine parts in the furnace under high temperature. Large Steel Works. Rolled metal factory
Hardening of machine parts in the furnace under high temperature. Large Steel Works. Rolled metal factory
Hardening of machine parts in the furnace under high temperature. Large Steel Works. Rolled metal factory
Skilled artisan crafting metal in the forge
Skilled artisan crafting metal in the forge
Emergency Service of Fire Department, Fire Fighters working at night in city
Verification work on environmental safety . Clip. Men in the working process of fire fighting with fire detectors.