A mining job is any hole excavated to exploit a deposit. A mine "Mine (mining)") is the set of all these works, especially when it is underground. The technique of exploiting a deposit through mining is known as Mine Working.

The area of ​​the work in which work is carried out for excavation is called front, cut or header.

Tasks that only have one entrance (for example, a gallery that is being advanced) are called bottom-of-sack tasks. Since there is no exit, it is necessary to force ventilation through a pipe to the front of the work.

The most common job is the gallery. It is a horizontal excavation, or a slightly inclined one, in which one of the dimensions is much larger than the other two. It is similar to a road or railway tunnel. The galleries receive different names depending on their function or their position with respect to the rock to be exploited.

The top of a gallery is called crown, and the walls gables.

The tasks are divided into: