3 ms·
Tire and brake dust, sand, little bit of grease, some soot settling out of the smog, maybe some salt (if you're by the sea)
by Two4 2y ago
Tire and brake dust, sand, little bit of grease, some soot settling out of the smog, maybe some salt (if you're by the sea)
- hinkley 2y agoOr in an area that salts the roads in winter.