Welding Demonstration
Davies
Woman Construction Worker
Bettmann
Subway, Underground Tunnel Construction
Baranozdemir
Woman Working At Shipyard
Bettmann
Clydeside Factory
Bert Hardy
Boys Watching A Solar Eclipse
Bettmann
Photo Of Pete Townshend And Who #8
Chris Morphet
Creative Light Painting By Burning
Xvision
Illustration Of Reseda Luteola (weld), Yellow Flower Spikes
Tricia Newell