alkali prevention

例句：

1. 1.To prevent the spread of alkali, it's important to maintain good ventilation in the workshop.
   为了预防碱的扩散，在车间内保持良好的通风是很重要的。
2. 2.The company has implemented strict measures to prevent alkali from entering the production line.
   该公司已实施严格的措施以防止碱进入生产线。
3. 3. The worker was instructed to wear protective gear to prevent alkali exposure during the chemical process.
   工人被指示在化学过程中佩戴防护装备以预防碱接触。