building contractor doing the safety and quality control on a construction site - 腳手架 個照片及圖片檔建築工人, 安全, 紀實攝影
composition of scaffolding against a cloudy sky at a large construction site - 腳手架 個照片及圖片檔有層次, 單色的, 工業
close-up of the metal structure of scaffolding against a background of cloudy grey skies in brussels, belgium - 腳手架 個照片及圖片檔白色的背景, 建築業, 建築地盤
a construction worker working at height, construction workers are working on steel roof trusses with fall arrestor device for worker with hooks for safety body harness on the construction site. - 腳手架 個照片及圖片檔安全, 建築地盤, 職業
labor day commands silhouette engineers stand for construction teams to work in heavy industry, high ground and safety concepts over natural color pencils that blur the background. - 腳手架 個照片及圖片檔勞動節 - 北美假日, 建築地盤, 建築業
caucasian construction workers, on a scaffolding, working on a construction site - 腳手架 個照片及圖片檔工作, 安全, 職業
