Slow Motion African american worker in hard hat, goggles and medical protective mask stands at project site and speaks via portable radio transmitter
Slow Motion African american builder stands at construction site, looks in work papers and speaks via portable radio transmitter
Slow Motion African american workman in white hard hat and protective goggles stands at construction site and makes notes in tablet computer
Close portrait of male builder in hardhat with walkie talkie or radio at construction site. Foreman wearing safety uniform and hardhat talking via walkie-talkie while standing at construction site
Slow Motion African american worker at construction site talks on smartphone. Workman in yellow hard hat speaks on cell phone
Slow Motion African american workman at construction site talks on smartphone. Worker in yellow hard hat speaks on mobile phone
professional engineers team in hard hats working on construction site
professional builders putting on hard hats before working on construction site
A male foreman in a construction helmet and protective antiviral mask at a construction site makes an inspection and enters entries in a technical journal.
construction workers on a large tunnel construction site
Tracking shot of busy African-American male construction site supervisor in safety vest, hard hat and goggles using tablet outside. Unfinished building with scaffolding in background
silhouette of construction workers walking on a large tunnel construction site