State pensioners urged to unscrew lightbulbs for free £268
The Energy Saving Trust says that swapping a halogen bulb to an LED will save £4 to £5 per year. If you’ve got any ...
来自MSN1 个月
How Long Do Car Headlights Last (And Can You Extend Their Lifespan?)
The answer to how long car headlights last depends on the bulb or lighting-system type. Conventional halogen bulbs are good for 500 to 1,000 hours. It may seem enough, but halogen bulbs will ...