Crane working in construction on..
worker with helmet and sunglasses..
Portrait of an engineer at work
shipyard worker to clean ship
Engineer in front of his team
Hand of a worker in a protective..
Closeup of builder with yellow..
Welder works sparkle cutting metal
Portrait of a smiling handsome..
metal sawing close up with sparking
worker working on construction..
Portrait of an happy worker in..
Industrial Pipeline Parts Pipe,..
Portrait of a smiling worker. Isolated..
Young man operating factory machinery
Construction and planning
Bridge under construction
Construction related icons
young blue collar in factory with..
Female worker with tools in back..
skilled working factory welder
Welder in a protective mask when..