Environmental standards are compatible with environmental laws and play an important role in national environmental management. From the development history of environmental standards, it has been developed in conjunction with environmental law. Initially, in areas where industry is intensi.......

There six parts of the grab, up beam,downsid.......

The mining safety of open pit mines is the same as that of underground mines. It is the focus of safety production and is also difficult. Eliminating the hidden dangers of open pit mining accidents, controlling mine production accidents, reducing casualties and property losses is an importa.......

1. Strictly implement the system of knocking and helping. When personnel enter the coal side to carry out work, they must arrange the operation.......

We all know that working at heights is a high-risk job. A slight carelessness poses a serious threat to life safety. Now, high-altitude trucks are a common tool for assisting.......

Metal mine beneficiation plant commonly used to mine has three forms: a drum to the mine, spiral to the mine, a joint unit to the mine. The drum type feeder is shaped like a circular drum with two openings. Inside the cylinde.......

At 8:30 a.m. on the morning of April 17th, an expensive A55321 passenger bus from Kaiyang County, Guiyang City, Guizhou Province to Zhao'an County passed over the bridge while passing .......

In the face of traffic accidents or unexpected problems that result in loss of the vehicle, if there is a purchase of motor insurance, the vehicle can report the case mainly because the owner cannot report.......