an engineer using a protractor to measure angles on a blueprint, while workers erect steel beams on a construction site reliastic structure in the background
an engineer using a protractor to measure angles on a blueprint, while workers erect steel beams on a construction site reliastic structure in the background
an engineer using a protractor to measure angles on a blueprint, while workers erect steel beams on a construction site reliastic structure in the background
a construction worker is standing in front of a construction site
two construction workers standing in front of a construction site
a group of construction workers at a construction site
a construction worker is taking a picture of a construction site