Garbage truck development history

In modern society, garbage trucks are already an indispensable sanitation vehicle in our city. Then did the big brothers understand the history of garbage trucks? The time for using garbage trucks in our country is less than 30 years, but the origin of gar ....

LED anti-glare lamp advantages and principles

Now many lamps and lanterns add anti-glare to protect their eyesight, which is misleading to consumers. Most of the traditional energy-saving lamp light sources use the electronic circuit to charge and produce gas+spray spectrum of phosphor powder inside the tube. UV light is generated in the spect ....