木匠正在仔细地打磨木头。

The carpenter is carefully ___sanding the wood.

他在给木桌打磨，准备重新上漆。

He is ___sanding the wooden table to prepare it for repainting.

工人们正在给结冰的台阶撒沙子以防滑倒。

The workers are ___sanding the icy steps to prevent accidents.