Some reserves for increasing labor productivity during preparatory excavations
Authors:
Abstract
The importance of preparatory workings in increasing labor productivity in the coal industry is great. Being ahead of cleaning works, preparatory workings create coal reserves, ready for excavation, than provide normal and uninterrupted operation of the field, rational use of mechanisms and high labor productivity in cleaning works.
Область исследования:
(Archived) Without section
References
- -
Similar articles
Increase of intensity of development of copper and cobalt ore bodies at layer caving
1958 N. P. Volkh
Influence of operating conditions on the working characteristic of organ walls of OK type
1958 B. P. Ovcharenko