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a black exhaust hole on a diesel-fueled MPV vehicle
Industrial welder welding fabricated construction in factory, Welding process by Shielded Metal Arc Welding (SMAW) or Stick Welding.
Comic book cartoon smoke backgrounds. Pop art cloud design template page. Hand drawn vector explosion art illustration.
Aromas vaporize icons. Smoke, steam flat line icons.
Sad people wearing protective face masks walking on street against factory pipes emitting smoke on background. Fine dust, air pollution, industrial smog, pollutant gas emission. Vector illustration.

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