This set of queries into the query education. The student dormitory of Thammasat University Lampang Center aims to study 1. to compare the cleanliness of drinking water from plastic water bottles and water coolers, water cleaner than that from other by Thammasat University dormitory Student Center in Lampang. 2. when I know the opinions of the student dormitory. Thammasat University Center, Lampang, and then testing the cleanliness of the water from the two sources of drinking water that actually came from far back, and most of the reviews for most students it is true or not by check is that suit you most.
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