| ENVIRONMENT | |
 Exhaust pipe |
 Fumes out of smokestacks / chimneys |
 Carbon monoxide |
 Acid rain |
 Cooling towers |
Blast furnace |
 Asbestos |
Chemicals |
Dumping site |
Factory / manufactoring plant |
 Greenhouse effect |
 Nuclear power plant |
 Litter |
 Poison |
 Nuclear waste |
 Bio hazard |
 Sewage |
 Sewerage |
 Smog |
 Treatment plant |
 Recycling plant |
 Bin lorry / Waste truck |
