Moldmaking / structural foam / Injection molding
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Haze

Haze is traditionally an atmospheric phenomenon where dust, smoke and other dry particles obscure the clarity of the sky. The World Meteorological Organization manual of codes includes a classification of horizontal obscuration into categories of fog , ice fog , steam fog , mist, haze, smoke , volcanic ash , dust , sand and snow . Sources for haze particles include farming (ploughing in dry weather), traffic, industry, and wildfires .