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.
O. Khomenko Pro and con closing in Ukraine of manganese-ore mines Prospects of closing of manganese ore mines in Ukraine are opened. Advantages and lacks economic, social and technological component process of liquidation are analysed. Technological solutions on prolongation of service life of mines are offered due to transferring mining operations on a deposit of accompanying mineral resources. The technological circuit and the order of the or-ganization of mining operations is described.