comprehensive plumbing inspection by a skilled plumber in an underground building, aiming to maintain the water system, repair any damages, and secure the infrastructure for consistent water management. - 採暖工程師 個影片檔及 b 捲影像00:12
professional plumber conducting a thorough inspection of water pipes within an underground construction site, addressing maintenance needs and pipe repairs to ensure a reliable water supply. - 採暖工程師 個影片檔及 b 捲影像00:11
professional maintenance engineers inspecting water system in basement building. - 採暖工程師 個影片檔及 b 捲影像00:13
comprehensive plumbing inspection by a skilled plumber in an underground building, aiming to maintain the water system, repair any damages, and secure the infrastructure for consistent water management. - 採暖工程師 個影片檔及 b 捲影像00:22
mechanical engineers in hard hats checking electrical control panel and hvac systems for industrial efficiency. - 採暖工程師 個影片檔及 b 捲影像00:11
comprehensive plumbing inspection by a skilled plumber in an underground building, aiming to maintain the water system, repair any damages, and secure the infrastructure for consistent water management. - 採暖工程師 個影片檔及 b 捲影像00:10
professionals inspect plumbing and control valves for industrial maintenance | engineers checking gas piping systems. - 採暖工程師 個影片檔及 b 捲影像00:07
mechanical engineers in hard hats checking electrical control panel and hvac systems for industrial efficiency. - 採暖工程師 個影片檔及 b 捲影像00:12
comprehensive plumbing inspection by a skilled plumber in an underground building, aiming to maintain the water system, repair any damages, and secure the infrastructure for consistent water management. - 採暖工程師 個影片檔及 b 捲影像00:15
mechanical engineers in hard hats checking electrical control panel and hvac systems for industrial efficiency. - 採暖工程師 個影片檔及 b 捲影像00:20
comprehensive plumbing inspection by a skilled plumber in an underground building, aiming to maintain the water system, repair any damages, and secure the infrastructure for consistent water management. - 採暖工程師 個影片檔及 b 捲影像00:18
professional plumber conducting a thorough inspection of water pipes within an underground construction site, addressing maintenance needs and pipe repairs to ensure a reliable water supply. - 採暖工程師 個影片檔及 b 捲影像00:14
mechanical engineers in hard hats checking electrical control panel and hvac systems for industrial efficiency. - 採暖工程師 個影片檔及 b 捲影像00:16
professionals inspect plumbing and control valves for industrial maintenance | engineers checking gas piping systems. - 採暖工程師 個影片檔及 b 捲影像00:17
professional maintenance engineers inspecting water system in basement building. - 採暖工程師 個影片檔及 b 捲影像00:08
professional plumber conducting a thorough inspection of water pipes within an underground construction site, addressing maintenance needs and pipe repairs to ensure a reliable water supply. - 採暖工程師 個影片檔及 b 捲影像00:15
professional maintenance engineers inspecting water system in basement building. - 採暖工程師 個影片檔及 b 捲影像00:17
professionals inspect plumbing and control valves for industrial maintenance | engineers checking gas piping systems. - 採暖工程師 個影片檔及 b 捲影像00:21
professional maintenance engineers inspecting water system in basement building. - 採暖工程師 個影片檔及 b 捲影像00:10
professional plumber conducting a thorough inspection of water pipes within an underground construction site, addressing maintenance needs and pipe repairs to ensure a reliable water supply. - 採暖工程師 個影片檔及 b 捲影像00:15
professional plumber conducting a thorough inspection of water pipes within an underground construction site, addressing maintenance needs and pipe repairs to ensure a reliable water supply. - 採暖工程師 個影片檔及 b 捲影像00:08
a mechanical engineer in a production plant is inspecting oil distribution pipelines using digital tablets to record crucial data. they wear protective workwear and hardhats, ensuring safety while examining the equipment for quality control - 採暖工程師 個影片檔及 b 捲影像00:13
mechanical engineer in safety suit inspecting oil supply pipeline system in lubricant factory. industrial safety, engineering, and manufacturing processes. - 採暖工程師 個影片檔及 b 捲影像00:13
mechanical engineer in safety suit checking gear system parameters in grease production plant. engineering, industrial maintenance, and manufacturing efficiency. - 採暖工程師 個影片檔及 b 捲影像00:10
middle-aged, bearded man repair gas boiler with wrenches, gas heating boiler service at home - 採暖工程師 個影片檔及 b 捲影像00:23
audio equipment fix: man in black suit jacket troubleshoots recording gear, mirrored reflection - 採暖工程師 個影片檔及 b 捲影像00:19
m worried, i don't know how the situation is going to develop,' says eyup otuk, a heating engineer based in alsace, northeastern france, as considers... - 採暖工程師 個影片檔及 b 捲影像05:13
construction worker cutting pvc pipe during reconstruction/renovation at a construction site - 採暖工程師 個影片檔及 b 捲影像00:20
construction worker cutting pvc pipe during reconstruction/renovation at a construction site - 採暖工程師 個影片檔及 b 捲影像00:16
construction worker cutting pvc pipe during reconstruction/renovation at a construction site - 採暖工程師 個影片檔及 b 捲影像00:13
construction worker cutting pvc pipe during reconstruction/renovation at a construction site - 採暖工程師 個影片檔及 b 捲影像00:29
caucasian male heating engineers adjusting the boiler at the clients bathroom - 採暖工程師 個影片檔及 b 捲影像00:20
caucasian male heating engineer adjusting the boiler at the clients bathroom - 採暖工程師 個影片檔及 b 捲影像00:12
caucasian male heating engineer using pliers to repair a boiler at the customer domestic bathroom - 採暖工程師 個影片檔及 b 捲影像00:17
caucasian male heating engineer using pliers to repair a boiler at the customer domestic bathroom - 採暖工程師 個影片檔及 b 捲影像00:28水管
caucasian male heating engineer repair a boiler at the customer domestic bathroom - 採暖工程師 個影片檔及 b 捲影像00:14
b-roll of an caucasian male handyman repairing a boiler at the customer domestic bathroom - 採暖工程師 個影片檔及 b 捲影像00:24
b-roll of an caucasian male heating engineer repairing a boiler at the customer domestic bathroom - 採暖工程師 個影片檔及 b 捲影像00:16
b-roll of an caucasian male handyman repairing a boiler at the customer domestic bathroom - 採暖工程師 個影片檔及 b 捲影像00:19
b-roll of an caucasian male heating engineer repairing a boiler at the customer domestic bathroom - 採暖工程師 個影片檔及 b 捲影像00:18
caucasian male heating engineer using drill machine to repair a boiler at the customer domestic bathroom - 採暖工程師 個影片檔及 b 捲影像00:17
mid adult male plumber writing a report after solving a problem with underfloor heating pipes - 採暖工程師 個影片檔及 b 捲影像00:18
radiator thermostatic valve adjustment . male hand adjusting the heating temperature up. - 採暖工程師 個影片檔及 b 捲影像00:08
young asian female industrial engineer in hard hats checking steam boiler in chemical manufacturing factory. heavy industry and engineers. - 採暖工程師 個影片檔及 b 捲影像00:11
young asian female industrial engineer in hard hats checking steam boiler in chemical manufacturing factory. heavy industry and engineers. - 採暖工程師 個影片檔及 b 捲影像00:19