slo mo cu pan red hot slab of steel on conveyor being cooled by spray of water, beijing, china - 鋼鐵廠 個影片檔及 b 捲影像01:19
slo mo ds sparks flying from the angle grinder used on a vertical piece of metal - 鋼鐵廠 個影片檔及 b 捲影像00:20