hand held close-up view of a man in his early thirties inscpecting a water heater inside an unfinished basement - 鍋爐 個影片檔及 b 捲影像00:16
a technician in a vest and hat carefully works on the internal components of a wall-mounted boiler. - 鍋爐 個影片檔及 b 捲影像00:30
a technician in a vest and hat carefully works on the internal components of a wall-mounted boiler. - 鍋爐 個影片檔及 b 捲影像00:14
caucasian male heating engineer checking the gas boiler and gas installation, while using digital tablet - 鍋爐 個影片檔及 b 捲影像00:17
an engineer man or worker, people working in electrical room. power energy motor machinery cabinets in control or server room, operator station network and circuit center in industry factory syste - 鍋爐 個影片檔及 b 捲影像00:15
medium shot tilt up pan right - tilt up along water pipes, pan right along shelves with gas tanks and other tools / - 鍋爐 個影片檔及 b 捲影像00:13
caucasian male heating engineer adjusting thermoastat on the gas boiler and checking gas installation, while using digital tablet - 鍋爐 個影片檔及 b 捲影像00:21
hand held close-up view of a man in his early thirties inscpecting a water heater inside an unfinished basement - 鍋爐 個影片檔及 b 捲影像00:13
middle-aged, bearded man repair gas boiler with wrenches, gas heating boiler service at home - 鍋爐 個影片檔及 b 捲影像00:23
wide angle of cluttered basement of suburban middle class home. lamps, chairs, baskets, wheelbarrow, other junk. flames, fires ignite at the base of a furnace boiler - 鍋爐 個影片檔及 b 捲影像00:52
factory technician monitors high-pressure red and green pipes inside energy plant, showcasing technical operations, maintenance, piping layout, industrial safety, and fluid dynamics systems. - 鍋爐 個影片檔及 b 捲影像00:15
engineer using digital tablet to inspection pipeline and valve of service water supply in fire riser room - 鍋爐 個影片檔及 b 捲影像00:16
professional maintenance engineers inspecting water system in basement building. - 鍋爐 個影片檔及 b 捲影像00:17
woman hand is turning on the water heater temperature regulator in the bathroom. water temperature in the electric boiler. - 鍋爐 個影片檔及 b 捲影像00:20淋浴
heating system. gas boiler, heating boiler, gas central heating - black and white - 鍋爐 個影片檔及 b 捲影像00:16
man hand turning the temperature knob gauge down on heating system to save money as prices rise. typically example found in family home terrace house in uk. - 鍋爐 個影片檔及 b 捲影像00:24
worker examining pipelines in a contemporary industrial facility while wearing safety equipment and gear - 鍋爐 個影片檔及 b 捲影像00:15
technician is checking air conditioner. air conditioning, hvac service technician using gauges to check refrigerant and add refrigerant. - 鍋爐 個影片檔及 b 捲影像00:14
a technician in a vest and hat carefully works on the internal components of a wall-mounted boiler. - 鍋爐 個影片檔及 b 捲影像00:29
an engineer man or worker, people working in electrical room. power energy motor machinery cabinets in control or server room, operator station network and circuit center in industry factory syste - 鍋爐 個影片檔及 b 捲影像00:14
hand held close-up view of a man in his early thirties inscpecting a water heater inside an unfinished basement - 鍋爐 個影片檔及 b 捲影像00:17美國
hand held close-up view of a man in his early thirties inspecting a furnace inside an unfinished basement - 鍋爐 個影片檔及 b 捲影像00:17
engineer working maintenance checking technical data of heating system equipment. - 鍋爐 個影片檔及 b 捲影像00:14
medium angle of gas pressure meter or gauge measuring in psi. see needle fluctuating and see smoke or steam passing in front. could be used for water heater, boiler or pressure cooker about to explode. - 鍋爐 個影片檔及 b 捲影像00:16
caucasian male heating engineer adjusting thermoastat on the gas boiler and checking gas installation, while using digital tablet - 鍋爐 個影片檔及 b 捲影像00:17
