steel tubing in different shapes

例句：

1. 1. The construction project useda lot of steel tubing for thefoundation.
   这个建设项目使用了大量钢管作为基础。
2. 2.The steel tubing was so strong thatit could support the weight of the building.
   这种钢管非常坚固，足以支撑建筑的重量。
3. 3. The steel tubing is easy toinstall and can be used in various applications.
   这种钢管安装方便，适用于各种应用。