chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:08
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:08
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:08
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:09
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:09
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:09
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:10
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:09
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:10
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:10
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:10
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:10
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:10
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:10
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:10
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:11
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:12
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:12
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:13
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:12
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:14
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:18
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:18
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:20
chief engineer inspecting the structural framework of a large house, checking safety standards and verifying that the concrete and steel construction matches the approved building plans - 工人施工標誌 個影片檔及 b 捲影像00:22
4k footage manual construction painter in red face mask painting metal steel frame structure with brush under the roof. - 工人施工標誌 個影片檔及 b 捲影像00:20
4k footage manual construction painter in red face mask painting metal steel frame structure with brush under the roof. - 工人施工標誌 個影片檔及 b 捲影像00:18
4k footage manual construction painter in red face mask painting metal steel frame structure with brush under the roof. - 工人施工標誌 個影片檔及 b 捲影像00:15
4k footage manual construction painter in red face mask painting metal steel frame structure with brush under the roof. - 工人施工標誌 個影片檔及 b 捲影像00:18
4k footage manual construction painter in red face mask painting metal steel frame structure with brush under the roof. - 工人施工標誌 個影片檔及 b 捲影像00:17
4k footage close-up of manual construction painter in red face mask painting metal steel beam structure with brush under the roof. - 工人施工標誌 個影片檔及 b 捲影像00:16
4k footage close-up of manual construction painter in red face mask painting metal steel beam structure with brush under the roof. - 工人施工標誌 個影片檔及 b 捲影像00:16
4k footage close-up of manual construction painter in red face mask painting metal steel beam structure with brush under the roof. - 工人施工標誌 個影片檔及 b 捲影像00:15
4k footage low angle view looking at camera of construction worker welding metal steel beam structure under the roof. - 工人施工標誌 個影片檔及 b 捲影像00:14
4k footage low angle view of construction worker welding metal steel beam structure under the roof. - 工人施工標誌 個影片檔及 b 捲影像00:17
4k footage low angle view of construction worker welding metal steel beam structure under the roof. - 工人施工標誌 個影片檔及 b 捲影像00:17
4k footage rear view of construction worker standing on ladder to install metal steel frame structure under the roof. - 工人施工標誌 個影片檔及 b 捲影像00:17
4k footage rear view of construction worker standing on ladder to install metal steel frame structure under the roof. - 工人施工標誌 個影片檔及 b 捲影像00:17
4k footage rear view of construction worker standing on ladder to install metal steel frame structure under the roof. - 工人施工標誌 個影片檔及 b 捲影像00:18
4k footage medium close-up of construction worker standing on ladder to install metal steel frame structure under the roof. - 工人施工標誌 個影片檔及 b 捲影像00:17
4k footage medium close-up of construction worker standing on ladder to install metal steel frame structure under the roof. - 工人施工標誌 個影片檔及 b 捲影像00:18
4k footage medium close-up of construction worker standing on ladder to install metal steel frame structure under the roof. - 工人施工標誌 個影片檔及 b 捲影像00:14
4k footage close-up of technician hands installing insulated copper pipes and electrical wires for air conditioner unit on wall. - 工人施工標誌 個影片檔及 b 捲影像00:10
4k footage close-up of technician hands installing insulated copper pipes and electrical wires for air conditioner unit on wall. - 工人施工標誌 個影片檔及 b 捲影像00:19
4k footage close-up of technician hands installing insulated copper pipes and electrical wires for air conditioner unit on wall. - 工人施工標誌 個影片檔及 b 捲影像00:18
the farmer carefully inspects the cows to ensure top-quality milk production, keeping them healthy, content, and well-fed. - 工人施工標誌 個影片檔及 b 捲影像00:05
the farmer carefully inspects the cows to ensure top-quality milk production, keeping them healthy, content, and well-fed. - 工人施工標誌 個影片檔及 b 捲影像00:06
the farmer carefully inspects the cows to ensure top-quality milk production, keeping them healthy, content, and well-fed. - 工人施工標誌 個影片檔及 b 捲影像00:06
the farmer carefully inspects the cows to ensure top-quality milk production, keeping them healthy, content, and well-fed. - 工人施工標誌 個影片檔及 b 捲影像00:06
a group of cows gather at a cowshed, feeding on hay and fodder at a dairy farm. - 工人施工標誌 個影片檔及 b 捲影像00:06
the farmer carefully inspects the cows to ensure top-quality milk production, keeping them healthy, content, and well-fed. - 工人施工標誌 個影片檔及 b 捲影像00:06