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.
A. Vladiko How do zaporozhian miners contest with water? The problems of the re-mining technology to extract ore in mined horizons left in the CAC “Zaporizkii ore mining enterprise” are considered. The results of studies dealing with ore extraction using cleaning rooms under complicated hydro-geological conditions are presented; the recommendations to extract these deposits are given.