klein's graduation house (cooling tower) for condensation plants ,integrated system of steam engines, mechanical fans, and evaporation towers used to recycle cooling water in steam-era factories - 最佳美術指導獎 幅插畫檔、美工圖案、卡通及圖標
steam trap ,in 19th-century industrial and locomotive applications, these devices were essential for maintaining the efficiency of heat exchangers - 最佳美術指導獎 幅插畫檔、美工圖案、卡通及圖標
steam reversing gear (or power reverser), a critical mechanical system used in large 19th-century locomotives - 最佳美術指導獎 幅插畫檔、美工圖案、卡通及圖標
