The lotus flower is widespread in Vietnam, growing from the mud and expressing a disarming beauty with a capacity for purifying the water in which it thrives.

莲花是越南常见的花朵，美丽的莲花虽从淤泥中生长，却具有净化其生长区域水源的能力。

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Water hyacinth has strong tolerance to pollution and purifying capacity;

凤眼莲耐污能力、净化能力强；

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In this case, the fuse prevents water from passing through once its purifying capacity of 3, 000 liters of water is exhausted.

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