Common types of damage in open pit slopes

(1) Step sinking

(2) sliding

Refers to the phenomenon that the slope rock mass moves down along a certain plane or curved surface in a large range under the action of its own weight or other external loads. This plane or surface is called the sliding surface, and the rock bo.......

Fire blanket use and use method

Fire blankets or fire extinguishing quilts, fire extinguishing quilts, fire blankets, fire blankets, fire retardant blankets, and escape blankets are woven fabrics made of glass fiber and other materials that can be used to isolate heat sources and flames. Extinguish the fire or drown on the .......

Why pump cavitation occurs?

First, the causes of cavitation

Cavitation is caused by the liquid vaporization, the liquid molecules escape the liquid surface, a process of gas molecules, known as "vaporization." The degree of vaporization of liquid pressure and the size of the high and low temperature.......