Waste processing has a new process

On December 30, 2003, seven experts from the Ministry of Construction, Chinese Academy of Sciences, Tsinghua University, and Shanghai Environmental Engineering Design Research Institute visited the city of Fuqing, where they disposed of a garbage treatment project

Mountaineering Technology - Protection

1. Fixed protection Fixed protection is a preset special protection for the walker or climber. The protector will carry out some kind of fixation on the master rope and choose the vantage point to protect it. It has been adopted when climbing rocky cliffs, ice cliffs and other technically comp

Falling technology

In the gentle slope below 45 degrees, the decline in the middle slope, because the risk is small, generally do not require special equipment and technology, can go with the aid of hail.
In steep slopes and cliffs falling above 45 degrees, there must be certain equipment and techniques. Th