2018-10-09 Plug devices Designers of lighting systems, lighting designers, designers, electricians, installers, installers of automation systems, as well as specialists of the internal communications services of homes, buildings and institutions. Of course the most important issue is the use of a plug-in device and wiring for lighting systems.
M. Kononenko Modern techniques on ore mines of the world The experience of major ore mines on conducting modern machines is analyzed. The aspects of usage new types of drilling, loading and additional machines in complicated technical conditions of ore deposits are done. With out reparation mining works of preparatory and extracting workings is directed in ore mines.