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| point source; point source Pollution from a discrete source, such as a septic tank, a sewer, a discharge type, a landfill, a factory or waste water treatment works discharging to a watercourse; stack emission from an industrial process; or spillage from an underground storage tank leaching into groundwater | |||
| σημειακή πηγή: 10 phrases in 3 subjects |
| Earth sciences | 4 |
| Environment | 5 |
| Transport | 1 |