erps cupola

例句：

1. 1. The workers were wearing safety helmets when they entered the construction site.
   工人们进入施工现场时都戴着安全帽。
2. 2. The driver wore a hard hat to protect his head from the impact of the falling debris.
   司机戴了硬壳帽，以防头部受到坠落碎片的冲击。
3. 3. Safety is paramount in this industry, and everyone must wear their safety helmets at all times.
   这个行业的安全至关重要，每个人都必须时刻佩戴安全帽。