tamping hammer

例句：

1. 1. The engineer used a hammer to compact the soil before building the foundation.
   工程师使用锤子在建造地基之前压实土壤。
2. 2.The workers were busy securing the roof with nails and screws.
   工人们忙于用钉子和螺丝固定屋顶。
3. 3. The construction crew worked tirelessly to ensure the walls were securely built.
   建筑团队不懈努力，确保墙壁稳固地建造起来。