| ▲ | oakwhiz 7 hours ago | |
The study didn't cover high pressure sodium bulbs, the previously popular type in street lamps. | ||
| ▲ | actionfromafar 5 hours ago | parent [-] | |
The best light. | ||
| ▲ | oakwhiz 7 hours ago | |
The study didn't cover high pressure sodium bulbs, the previously popular type in street lamps. | ||
| ▲ | actionfromafar 5 hours ago | parent [-] | |
The best light. | ||