april 27, 1994 factory workers tying bundles of pipes with metal strips and moving overhead sealer / south africa - 磨光機 工業設備 個影片檔及 b 捲影像00:25
april 27, 1994 montage steel pipes sliding across conveyor and worker separating them in factory / south africa - 磨光機 工業設備 個影片檔及 b 捲影像00:49
cu grinder grinding metallic block, supreme plastics / ghaziabad, uttar pradesh, india - 磨光機 工業設備 個影片檔及 b 捲影像00:05
cu grinder grinding metallic block, supreme plastics / ghaziabad, uttar pradesh, india - 磨光機 工業設備 個影片檔及 b 捲影像00:04
work tool's production : filing tools down, making various tools , modern machine tools/could be also late 1910s, during civil war in russia / russia - 磨光機 工業設備 個影片檔及 b 捲影像00:53