group of technical engineer working in protection workwear controlling and directing the maintenance of a mechanical arm working on industrial robots in a factory - 機械 個影片檔及 b 捲影像00:08
engineers working in metal manufacturing industry, doing quality control of the production - 機械 個影片檔及 b 捲影像00:10
a professional mechanic checks the engine oil level of an automotive machine. maintenance process, a quality control officer performs his duty. examining oil level and quality check with a dipstick. - 機械 個影片檔及 b 捲影像00:15
technical engineers work learning control automatic robotic arm logistics product packaging - 機械 個影片檔及 b 捲影像00:05
blue-collar worker. team of technician and engineer are checking machinery in operation in industrial plant team work of repair inspector complete maintenance of machine equipment. - 機械 個影片檔及 b 捲影像00:15