Ключевые слова: airborne contamination, antigas, atmospheric air pollution, bloke, breathing, breathing mask, chap, concept, contamination, danger, environmental contamination, facemask, fellow, gas mask, gasmask, guy, image, infectiousness, jeopardy, lad, male, man, men, nuclear, people, peril, photo, pollution, protection, radiation, radiation hazard, radiation pollution, radiation shielding, respirator, risk, safeguard, shield,