mechanical or industrial engineer wearing safety vest and ppe conducting detailed inspection and maintenance on large hvac cooling tower system at industrial facility. industrial operations and maintenance workflow concept. - 空氣壓縮機 個影片檔及 b 捲影像00:18
senior caucasian woman sitting at home using a nebulizer to inhale medication to treat asthma or open up lung airways - 空氣壓縮機 個影片檔及 b 捲影像00:09
workers assembling air compressors in factory with hand and machine tools / united kingdom - 空氣壓縮機 個影片檔及 b 捲影像00:53
train sits stationary on track as another passes thru covered bridge over tracks in background / us serviceman writes letter while seated inside... - 空氣壓縮機 個影片檔及 b 捲影像00:27
newsreel / some audio / view of saint patrick's cathedral from higher building / street traffic in front of saint patrick's cathedral / screwdriver... - 空氣壓縮機 個影片檔及 b 捲影像00:33
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:08
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:08
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:08
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:08
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:09
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:10
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:09
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:10
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:10
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:10
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:11
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:12
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:11
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:13
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:11
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:12
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:12
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:13
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:14
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:16
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:15
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:20
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:17
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:19
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:29
engineer inspecting and monitoring the air conditioning cooling system of a major commercial or industrial facility, ensuring proper mechanical performance, energy efficiency, and reliable climate control for building operations. - 空氣壓縮機 個影片檔及 b 捲影像00:15
exhaust flapper on an air compressor or gasoline powered electrical generator trailer used by a professional landscaping company blowing out sprinklers for the winter - 空氣壓縮機 個影片檔及 b 捲影像00:13
commuter in jeans and boots inspects flattened tire amid roadside dirt and puddle hesitation - 空氣壓縮機 個影片檔及 b 捲影像00:13
automotive mechanic meticulously cleans an engine block with compressed air in a workshop - 空氣壓縮機 個影片檔及 b 捲影像00:06
automotive mechanic cleaning engine cylinder head with compressed air in a workshop - 空氣壓縮機 個影片檔及 b 捲影像00:04
construction site interior finishing with worker using spray plaster machine - 空氣壓縮機 個影片檔及 b 捲影像00:29
professional worker applying plaster spray on wall inside residential building - 空氣壓縮機 個影片檔及 b 捲影像00:29