Výměna a filtrace vzduchu v improvizovaných úkrytech

Abstract

The thesis of my bachelor essay is the exchange and filtration of air in the improvised shelters. In the first chapter is described an improvised shelter, it's marking, choice of a suitable place and fundaments of it's estabilishment. Here's also a description of filtration of air in the era of the first republic, then in the era of cold war and then in the present. In the end of the essay is a mention of improvised protection of respiratory system.