Collectible "stones" at the State Polytechnic Museum

Collections can be different. Someone collects postage stamps, someone collects cacti, someone - badges and cars. Bohdan Peniuk, co-founder and director of the information security department of EPOS company, collects microprocessors.

To the history of steam engines

A steam engine is an engine in which the chemical energy of fuel is converted into the mechanical energy through the use of steam, which is formed when water is heated.

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