Is the comma properly placed in this sentence?: 3. Tiny water droplets which are blown sideways by the wind hit the screen and run down into a trough. 4. In El Tofo Chile eighty-eight fog collectors supply clean water to the fishing village of Chungungo. 5. The El Tofo system on a high coastal ridge is the largest project so far. 6. Amazingly these collectors channel 13 000 litres of water per day to the village. 7. Once almost a ghost town Chungungo now boasts homes with running water and lush gardens