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A welder is welding steel on a steel roof truss. Working at height equipment. Fall arrestor device for worker with hooks for safety body harness. Worker in construction site.
Structure of steel  for building construction on sky background.
bearing pillars of the building. Structure building of steel structure roof truss frame installation by mobile crane under the construction building in the factory with blue sky
Wavy dark gray texture. Reworked close-up photo of wall surface. Grunge abstract black and white background on the subject of modern interior, architecture or technology.
Old reinforced concrete structure with damaged and rusty metallic reinforcement bars.

Free stock photosstructural (1748)

Old Pier at TreforImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/old-pier-trefor-722574760">Image used under license from Freestock.com</a>
Construction worker with cityscape background drawingImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/construction-worker-cityscape-background-drawing-334023668">Image used under license from Freestock.com</a>
Abstract aerial view of downtown skyscrapers, in black and white, for urban or architectural themesImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/abstract-aerial-view-downtown-skyscrapers-black-310037279">Image used under license from Freestock.com</a>
Barmouth Railway Bridge; Wales; UKImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/barmouth-railway-bridge-wales-uk-740100514">Image used under license from Freestock.com</a>
3D golden house standing out from silver ones - isolated over a white backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/3d-golden-house-standing-silver-ones-60411784">Image used under license from Freestock.com</a>
Garden retreat with fancy white table and chairs shaded by a trellisImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/garden-retreat-fancy-white-table-chairs-61690648">Image used under license from Freestock.com</a>
Barmouth Railway Bridge; Wales; UKImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/barmouth-railway-bridge-wales-uk-740100499">Image used under license from Freestock.com</a>
Shark proof cage for divers in marinaImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/shark-proof-cage-divers-marina-45365335">Image used under license from Freestock.com</a>
A talented young architect drawing a plan of a future city with blue, green, yellow buildings, churches, including lines and measurements.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/talented-young-architect-drawing-plan-future-682497616">Image used under license from Freestock.com</a>
Old Pier at Trefor; Caernarfon; Wales; UKImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/old-pier-trefor-caernarfon-wales-uk-723839290">Image used under license from Freestock.com</a>
Businessman sitting at the white table with hand drawn buildings in the backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/businessman-sitting-white-table-hand-drawn-344973950">Image used under license from Freestock.com</a>
Genetics linear rosetteImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/genetics-linear-rosette-335180342">Image used under license from Freestock.com</a>
Barmouth Railway Bridge; Wales; UKImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/barmouth-railway-bridge-wales-uk-740100475">Image used under license from Freestock.com</a>
Barmouth Railway Bridge; Wales; UKImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/barmouth-railway-bridge-wales-uk-740100604">Image used under license from Freestock.com</a>
A young construction worker in a red safety helmet happily planning a city sight and drawing lines, arrows, angles, buildings with a pen in his handImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-construction-worker-red-safety-helmet-682501516">Image used under license from Freestock.com</a>
Old Pier at Trefor; Caernarfon; Wales; UKImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/old-pier-trefor-caernarfon-wales-uk-723129877">Image used under license from Freestock.com</a>
A young architect in red safety helmet planning and drawing with a pen in his hand in empty space in front of a white background.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-architect-red-safety-helmet-planning-679025704">Image used under license from Freestock.com</a>
Leader man standing and thinking with graphs, charts, diagrams on the backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/leader-man-standing-thinking-graphs-charts-684124765">Image used under license from Freestock.com</a>
A young construction site worker in a red safety helmet happily sketching a colorful city sight, drawing lines, arrows, angles, cranes buildings with a pen in his handImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-construction-site-worker-red-safety-672690343">Image used under license from Freestock.com</a>
Skylight with reflections and blue skyImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/skylight-reflections-blue-sky-1060743">Image used under license from Freestock.com</a>
A happy construction worker drawing a city with white, plain buildings, using arrows and anglesImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/happy-construction-worker-drawing-city-white-673895470">Image used under license from Freestock.com</a>
Old Pier at Trefor; Caernarfon; Wales; UKImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/old-pier-trefor-caernarfon-wales-uk-723129883">Image used under license from Freestock.com</a>
Pier at Llandudno; Wales; UKImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/pier-llandudno-wales-uk-728150650">Image used under license from Freestock.com</a>
Old Pier at TreforImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/old-pier-trefor-722574772">Image used under license from Freestock.com</a>
Finger pointing on smartphone with social network illustrationImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/finger-pointing-smartphone-social-network-illustration-666126367">Image used under license from Freestock.com</a>
Business man hitting grungy brick wall with hammerImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/business-man-hitting-grungy-brick-wall-686537272">Image used under license from Freestock.com</a>
Old Pier at Trefor; Caernarfon; Wales; UKImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/old-pier-trefor-caernarfon-wales-uk-722574835">Image used under license from Freestock.com</a>
A young architect planning and drawing a family house layout with measurements, lines, numbers, anglesImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-architect-planning-drawing-family-house-672690220">Image used under license from Freestock.com</a>
A young construction worker in a red safety helmet happily planning a city sight and drawing lines, arrows, angles, buildings with a pen in his handImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-construction-worker-red-safety-helmet-673895368">Image used under license from Freestock.com</a>
Beautiful 3D house standing out - isolated over a white backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/beautiful-3d-house-standing-isolated-white-60030410">Image used under license from Freestock.com</a>
Business man hitting grungy brick wall with hammerImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/business-man-hitting-grungy-brick-wall-678025807">Image used under license from Freestock.com</a>
Leader man standing and thinking with graphs, charts, diagrams on the backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/leader-man-standing-thinking-graphs-charts-662091952">Image used under license from Freestock.com</a>
A young architect planning and drawing a happy city sight with blue skyscrapers, sun, cloudsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-architect-planning-drawing-happy-city-673895497">Image used under license from Freestock.com</a>
Connect written on a blackboardImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/connect-written-blackboard-308328686">Image used under license from Freestock.com</a>
A young construction site worker in a red safety helmet happily sketching a colorful city sight, drawing lines, arrows, angles, cranes buildings with a pen in his handImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-construction-site-worker-red-safety-662811868">Image used under license from Freestock.com</a>
Finger pointing on smartphone with social network illustrationImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/finger-pointing-smartphone-social-network-illustration-648420769">Image used under license from Freestock.com</a>
Old Pier at Trefor; Caernarfon; Wales; UKImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/old-pier-trefor-caernarfon-wales-uk-723839323">Image used under license from Freestock.com</a>
A talented young architect drawing a plan of a future city with blue, green, yellow buildings, churches, including lines and measurements.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/talented-young-architect-drawing-plan-future-673895428">Image used under license from Freestock.com</a>
Leader man standing and thinking with graphs, charts, diagrams on the backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/leader-man-standing-thinking-graphs-charts-644339908">Image used under license from Freestock.com</a>
3D tiled roof house - isolated over a white backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/3d-tiled-roof-house-isolated-white-59170660">Image used under license from Freestock.com</a>
Business man hitting grungy brick wall with huge hammerImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/business-man-hitting-grungy-brick-wall-662046676">Image used under license from Freestock.com</a>
A young architect planning and drawing a happy city sight with blue skyscrapers, sun, cloudsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-architect-planning-drawing-happy-city-682501510">Image used under license from Freestock.com</a>
A young architect in red safety helmet planning and drawing with a pen in his hand in empty space in front of a white background.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-architect-red-safety-helmet-planning-662811958">Image used under license from Freestock.com</a>
Construction worker with cityscape background drawingImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/construction-worker-cityscape-background-drawing-287097275">Image used under license from Freestock.com</a>
Business man hitting grungy brick wall with huge hammerImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/business-man-hitting-grungy-brick-wall-670163776">Image used under license from Freestock.com</a>
Business man hitting grungy brick wall with huge hammerImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/business-man-hitting-grungy-brick-wall-644301655">Image used under license from Freestock.com</a>