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<p>can vary greatly depending on their sources and production. Particles emitted from fuel combustion are not the same as those emitted from waste combustion. Particulates emitted from the burning of vegetation, <a href="page.php?w=Joss_paper">incense paper</a>, <a href="page.php?w=Construction_waste">construction waste</a>, and plastics will all differ. Particulate matter from a fire in a <a href="page.php?w=wrecking_yard">recycling yard</a> or a ship full of <a href="page.php?w=scrap_metal">scrap metal</a> may contain more toxic substances than</p><p>
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