Workers weld steel structure with Electric welding machines in factory, Slow motion of hand weld steel repair of roof .
Closeup worker man using electric arc welding machine to weld steel
Closeup worker man using electric arc welding machine to weld steel
Closeup worker man using electric arc welding machine to weld steel by manual skill labor, Metal welding steel have spark at production factory industrial
Closeup worker man using electric arc welding machine to weld steel by manual skill labor, Metal welding steel have spark at production factory industrial
Closeup worker man using electric arc welding machine to weld steel by manual skill labor, Metal welding steel have spark at production factory industrial
Closeup worker man using electric arc welding machine to weld steel by manual skill labor, Metal welding steel have spark at production factory industrial
Closeup worker man using electric arc welding machine to weld steel by manual skill labor, Metal welding steel have spark at production factory industrial
Worker welding metal construction in protective mask. Workman using electric welding equipment at steel factory. Professional welder working at factory
Metal welding process in dark industrial room. Worker welding complex metal structure. Industry worker welding metal steel structure in workshop of factory with bright spark light
Profession welder in factory. Worker welding steel structure close up. Welder working with electrode at semi-automatic arc welding. Welder with protective equipment in work at plant