safety engineer with red safety uniform and safety harness checking inside of huge tube at the construction site - 水管 個影片檔及 b 捲影像00:23
hand held close-up view of a man in his early thirties inscpecting a water heater inside an unfinished basement - 水管 個影片檔及 b 捲影像00:16
maintenance engineer worker in a hard hat adjusting valves and examining pressure gauge on industrial piping in a water treatment facility. water bottling - 水管 個影片檔及 b 捲影像00:15
a industrial engineer in green safey vest working an white helmet check the design on blueprint drawing at front industrial pipe valve and tank of new ro water plant - 水管 個影片檔及 b 捲影像00:22
a technician in a vest and hat carefully works on the internal components of a wall-mounted boiler. - 水管 個影片檔及 b 捲影像00:30
professional maintenance engineers inspecting water system in basement building. - 水管 個影片檔及 b 捲影像00:17
watch as a broken pvc plumbing pipe in a concrete ceiling leaks a steady stream of water, highlighting the urgency of repair - 水管 個影片檔及 b 捲影像00:06
leakage of water in the domestic plumbing. old rusty faucet in the bathroom close-up - 水管 個影片檔及 b 捲影像00:13水滴
construction site of undersea tunnel / dangjin-si, chungcheongnam-do, south korea - 水管 個影片檔及 b 捲影像00:13
aerial view industrial engineer or water quality staff work on top of huge water storage tank , water treatment system - 水管 個影片檔及 b 捲影像00:28污水
construction site workers discussing pipe placement,maintenance and inspection of waterworks and irrigation utilities equipment materials mixed ethnic group workers and large volume water transfer pipes - 水管 個影片檔及 b 捲影像00:12
woman checking frozen outdoor water faucet - greenville north carolina - close up pov - 水管 個影片檔及 b 捲影像00:11
close up hand with tools check and repair water closet leaking issue stock photo - 水管 個影片檔及 b 捲影像00:08
close-up hand of male repair plumber pipe using white sealing tape to protect the threads of the faucet. - 水管 個影片檔及 b 捲影像00:09
pumping station and electrical power generator industrial interior pipes line in large building - 水管 個影片檔及 b 捲影像00:12
hand held close-up view of a man in his early thirties inscpecting a water heater inside an unfinished basement - 水管 個影片檔及 b 捲影像00:13
