luminaire for factory and mine use

例句：

1. 1. The new lighting system in the factory is highly praised by employees.
   工厂的新照明系统受到员工的高度赞扬。
2. 2. The illumination of the street lamps has improved significantly since the renovation.
   自从翻新以来，街道的照明已经显著改善。
3. 3. The illumination device installed in the classroom is very effective.
   教室里安装的照明装置非常有效。