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happy African American woman worker with safety suit helmet enjoy smiling working as labor in heavy industry factory with steel machine operator for good welfare.
A construction worker wearing a safety vest and holding a hard hat stands with a road roller compactor operating in the background. The image represents road construction and civil engineering
Yellow and white safety helmet ,yellow tool box and blue pritn home drawing on wood table.Architecture or civil engineer concept.
The double exposure image of the engineer standing back with a cityscape background

Free stock photoscivil engineering (143)