The paper deals with the application potential analysis of heat accumulators for Biscuits mining machines working in cold climatic conditions.The proposed concept works with the idea of accumulating waste heat generated by the operation of an internal combustion engine, with use of exhaust heat, heat from the radiator and heat from the drive of the

Mostly all feral cats are listed in the IUCN International Red Book.This fact is caused by the negative impact of civilization on the ecosystem, including fauna.This trend applies equally to feral cats from the family Felidae (tigers, jaguars, leopards, snow leopards) and the family Felinae (caracal, serval, ocelot, etc.).The low population size of