Bauarbeiter mittleren Alters hält Schaufel auf Baustelle in der Hand - Stockfoto & -bild

Professional engineer architect worker with protective helmet and blueprints paper at house building construction site background

Architect at a construction site celebrate after construction project was successful.

Asian business man construction manager and engineer worker in protective helmet hold blueprints paper on hand using tablet computer at building site

Surveying engineers are working together using theodolite on the

Young business man professional engineer worker at the house building construction site with blueprint

Asian woman civil construction engineer worker or architect with helmet and safety vest happy working at a building or construction site

Rear view of head engineer in orange vest examining building blueprint when standing at construction site