electrician talking to a real estate agent about the cost of installing more lamps - 換燈膽 個影片檔及 b 捲影像00:15
senior electrician inspecting electrical cable during indoor maintenance work. - 換燈膽 個影片檔及 b 捲影像00:26
mature electrician man on a step ladder to install a light fixture at customer house - 換燈膽 個影片檔及 b 捲影像00:14
mature electrician man on a step ladder to install a light fixture at customer house - 換燈膽 個影片檔及 b 捲影像00:25
mature electrician man talking to customer on a step ladder while install a light fixture at customer house - 換燈膽 個影片檔及 b 捲影像00:20
large led light bulb surrounded by miniature worker figurines, toy sedan car and blue wooden pencils placed on white flat surface with pale blue backdrop symbolizing creative project planning and engineering development ideas. - 換燈膽 個影片檔及 b 捲影像00:42
large led light bulb surrounded by miniature worker figurines, toy sedan car and blue wooden pencils placed on white flat surface with pale blue backdrop symbolizing creative project planning and engineering development ideas. - 換燈膽 個影片檔及 b 捲影像00:46
large led light bulb surrounded by miniature worker figurines, toy sedan car and blue wooden pencils placed on white flat surface with pale blue backdrop symbolizing creative project planning and engineering development ideas. - 換燈膽 個影片檔及 b 捲影像00:36
large led light bulb surrounded by miniature worker figurines, toy sedan car and blue wooden pencils placed on white flat surface with pale blue backdrop symbolizing creative project planning and engineering development ideas. - 換燈膽 個影片檔及 b 捲影像00:36
asian families use digital tablets to monitor the lighting systems in their smart homes. - 換燈膽 個影片檔及 b 捲影像00:13
asian families use digital tablets to monitor the lighting systems in their smart homes. - 換燈膽 個影片檔及 b 捲影像00:10
an asian couple is using a digital tablet to learn how to install new lights in their smart home system. - 換燈膽 個影片檔及 b 捲影像00:27
an asian couple is using a digital tablet to learn how to install new lights in their smart home system. - 換燈膽 個影片檔及 b 捲影像00:13
an asian couple is using a digital tablet to learn how to install new lighting in their modern home. - 換燈膽 個影片檔及 b 捲影像00:17
an asian couple is dedicated to installing a new lighting system in their modern home. - 換燈膽 個影片檔及 b 捲影像00:12
an asian couple is using a digital tablet to learn how to install new lighting in their modern home. - 換燈膽 個影片檔及 b 捲影像00:19
an asian couple is dedicated to installing a new lighting system in their modern home. - 換燈膽 個影片檔及 b 捲影像00:11
electrical wire construction unfinished wall ladder renovation interior cable building repair installation with exposed electrical wire and cable hanging from unfinished wall during interior - 換燈膽 個影片檔及 b 捲影像00:09
hispanic senior carefully installs an energy efficient bulb into a kitchen lamp - 換燈膽 個影片檔及 b 捲影像00:19
hispanic senior carefully installs an energy efficient bulb into a kitchen lamp - 換燈膽 個影片檔及 b 捲影像00:23
hispanic senior carefully installs an energy efficient bulb into a kitchen lamp - 換燈膽 個影片檔及 b 捲影像00:19
mid-adult male electrician installing light fixtures in an empty apartment under renovation - 換燈膽 個影片檔及 b 捲影像00:07
mid-adult male electrician installing light fixtures in an empty apartment under renovation - 換燈膽 個影片檔及 b 捲影像00:08
