Browsing by Subject
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- waste dumps 1
- waste heap 2
- waste heap, burning, temperature, environmental safety. 1
- Waste pile 2
- waste rock 5
- waste, municipal waste, environmental safety, environmental hazard, environment 2
- wasteecology 1
- wastewater 3
- wastewater treatment 1
- wastewater, hazardous constituents, colliery spoil heaps 1
- water 1
- water pollution 1
- water channel 2
- water extraction 3
- water pollution 2
- water purification 2
- water purification, bentonite, zinc, microwaves 1
- water-based fire extinguishing agents 2
- water-based fire-extinguishing agent 1
- watershed 1