Lertlah School Kanchanapisek Road has changed the water tanks which were on the rooftop of the Primary-Secondary Building. According to the lifetime of the tanks, it is time to replace them for safety measures. There are 12 new water tanks, which are fiberglass. Each tank has a capacity of 4000 liters. Each fiberglass water tank is strong, durable and is able to withstand high water pressure. Moreover it does not cause rust or algae. The water in the tank is clean and safe to consume.
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