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98% of total explosives used for civil uses are consumed by Polish mining plants, with 2.5 thousands of tonnes of explosives used in bituminous coal mines yearly. Bituminous mines are now facing the necessity of implementing a new project for preparing a system for recording the distribution of blasting materials. The execution of projects related to the implementation of new technologies at each organization, with Polish bituminous coal mines in particular, apart from problems related to legal, economical, techni...

Brief Production of electrical power from renewable energy sources presents a chance to: satisfy the societyпїЅs power needs without encumbering the environment with combustion products of, among others, lignite and coal, energy security as well as become independent from traditional energy source suppliers. The aim of this article is to present the methodology used when designing wind farms utilising a group of wind turbines. The article presents the objectives of the European UnionпїЅs policy on renewable energy...