Close up of African-American male worker with beard putting on hard hat at construction site
footage of construction worker and engineer, foreman working on construction site shaking hands
Close up shot of African-American male worker in hard hat putting on safety goggles at construction site
footage of construction worker concept engineer, foreman working on construction site with female colleague using tablet
professional workers on construction site, foreman and architects are viewing building under construction
Slowmo medium shot of African-American male construction site worker in safety vest, goggles and belt putting on hard hat before unfinished building with scaffolding
Slowmo tracking with rear view of male construction site foreman in safety vest and hard hat walking
Handheld tracking close up of bearded male worker in hard hat talking into walkie-talkie at construction site
Extreme close up of black male worker in safety goggles putting on noise-canceling earmuffs at construction site
Slowmo of mature Caucasian male construction worker in hard hat and safety vest carrying manual hand pallet trolley along unfinished concrete construction site
Medium shot of cheerful female and male workers in safety vests and hard hats eating lunch by scaffolding at construction site and chatting
Medium shot of male engineer in safety vest and hard hat standing before scaffolding and giving instructions to workers at construction site