a cheerful male worker wearing a safety helmet and protective gear speaks on a headset in a bustling factory environment, emphasizing industry safety and productivity. - 工地安全帽 個照片及圖片檔
man, portrait and safety goggles for engineer in workshop, construction or maintenance with smile. manufacturing, production and engineering with glasses for protection, factory with labor and helmet - 工地安全帽 個照片及圖片檔
Republican presidential nominee, former U.S. President Donald Trump, wears a hard hat given to him by steelworkers during a campaign rally on October...
electrical engineers discussing over laptop and digital tablet while standing at dark power station during night - 工地安全帽 個照片及圖片檔
high angle look down view over young asian technician worker climbing ladder for inspect or maintenance machine in high voltage electric transformer sub station. industrial business occupation worker concept. - 工地安全帽 個照片及圖片檔
portrait of male engineer with hardhat using digital tablet while working on construction site - 工地安全帽 個照片及圖片檔
