1927 b/w ms two miners working underground with hand-operated device, drilling into coal face in bituminous coal mine/ pennsylvania, usa - 液壓升降平台 個影片檔及 b 捲影像00:06
a light blinks on and off on a fire service 'cherry picker' hydraulic platform suspended in mid-air, uk. - 液壓升降平台 個影片檔及 b 捲影像00:11
ms, td, cargo containers being unloaded from airplane, los angeles, california, usa - 液壓升降平台 個影片檔及 b 捲影像00:40
ms, service crews at thai airways plane on tarmac, los angeles, california, usa - 液壓升降平台 個影片檔及 b 捲影像00:27