Construction site look up of steel beams

Construction steel beams anchor bolts

Construction steel I beams being lifted into place with construction lift

Steel beams, Port of Bilbao, Santurtzi. Biscay, Euskadi, Spain

Steel beams, Port of Bilbao, Santurtzi. Biscay, Euskadi, Spain

Steel beams, Port of Bilbao, Santurtzi. Biscay, Euskadi, Spain

Steel beams, Port of Bilbao, Santurtzi. Biscay, Euskadi, Spain

Loading steel beams, Port of Bilbao, Santurtzi. Biscay, Euskadi, Spain

Construction steel I beam anchor bolt nut

Steel constrcution worker fastening anchor bolts on steel frame

Construction steel worker leg showing on steel I beam

Construction steel workers leg on steel I beam

Job Site

Antique Illustration (steel engraving) showing the basic construction of a Fire Engine., 1857.

Antique Illustration (steel engraving) showing the construction of iron bridges., 1857.

A team of builders at work

Metall plate with flower

Industry & Technology-line art (b4) Civil Engineering Excavating machinery A steel engraving from a series of early Victorian concept drawings of a tunnel beneath the River Thames in London, England.

Industry & Technology -line art (b4) Civil Engineering Excavating machinery. A steel engraving from a series of early Victorian concept drawings of a tunnel beneath the River Thames in London, England

Industry & Technology -line art (b4) Civil Engineering A steel engraving from a series of early Victorian concept drawings of a tunnel beneath the River Thames in London, England - scaffolding at the tunnel face

Industry & Technology -line art (b4) Civil Engineering Illustration A steel engraving from a series of early Victorian concept drawings of a tunnel beneath the River Thames in London, England - a cross-section showing the tunnel beneath the river bed; t

An illustration of skilled workers

World War II propaganda poster of a team of men riveting the hull of a ship.

Sculptor

Builder

Steel Worker

Crane Operator

Crane Operator

Construction steel I beams from below