мммда. Другите проблеми се дека е спор, брчи, често се расипува... така?
Не, туку ова
http://en.wikipedia.org/wiki/Diesel_exhaustThe word "clag" originally meant the coal-smoky exhaust of steam locomotives, and nowadays means the often spectacular (particularly black) exhaust emissions of many older British diesel locomotives
Меѓу кои едно од најлошите е:
Diesel particulate matter (DPM), sometimes also called diesel exhaust particles (DEP), is the particulate component of diesel exhaust, which includes diesel soot and aerosols such as ash particulates, metallic abrasion particles, sulfates, and silicates. When released into the atmosphere, DPM can take the form of individual particles or chain aggregates, with most in the invisible sub-micrometre range of 100 nanometers, also known as ultrafine particles (UFP) or PM0.1.
The main particulate fraction of diesel exhaust consists of fine particles.
Because of their small size, inhaled particles may easily penetrate deep into the lungs. The rough surfaces of these particles makes it easy for them to bind with other toxins in the environment, thus increasing the hazards of particle inhalation.
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