Ключевые слова: asbestos, asbestosis, cancer, chrysotile, closeup, construction, crystal, dangerous, disease, dust, environment, fiber, fibrous, find, focus, fossil, geological, geology, glass, health, industrial, instrument, laboratory, loupe, lung, macro, magnification, material, mine, mineral, natural, optical, ore, production, protection, research, sample, science, silica, silicate, stone, toxic, white, zoom, zoom in,