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Asian woman engineer in safety uniform working and speaking on two way radios at outdoor construction site rooftop. Industrial technician worker maintenance checking building exterior plumbing systems
Three engineers in helmets and vests reviewing blueprints and tablet at construction site. Cranes and building framework in background of outdoor project collaboration. Males and female constructors.
Man Worker At Construction Site (98).Mov
Archaeologist Carefully Excavating with a Brush at a Dig Site

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