The Fraunhofer Institute in Fraunhofer, Germany, has developed an off-grid phot...

The laboratory's new perovskite solar cell emits light. One day, if your c...

According to foreign news on June 10, the Indian Rubber Board estimated on Tuesday that In...

The safety helmet “is pressed by a pit”; the “spider man” at high altitude ...

It is also called “safety production month”. Various safety production activities and m...

The business club reported on January 19. When it comes to the paint industry, it is also ...

Commonly used wood lacquer lacquer, polyurethane paint and waterborne wood lacquer three. Compari...

Process lubricants used in the cutting, forming, processing, and protection processes of metals and...

The design style of this case is simple European style, creating elegant, natural, noble temperame...

Users often face the choice of the most suitable cutting process in metal processing. At present, s...

How to properly and effectively maintain the car crane, how to properly and effectively maintain a...

First, fire prevention 1. The rope is broken down and the fire is in negligence. 2, a happy famil...