Furthermore, the heating layer made by patch shape flexible material can bend without break, hence, service life of the electrothermal textile is prolonged largely.

再者，由片状柔性材料制成的发热层可以弯曲而不折断，因此电热纺织品的使用寿命大大延长。

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From a life-poor patch of ocean in the South Pacific to a life-rich lake in the East African Rift System, clear waters can be found in all different corners of the world.

BBC: The planet��s pristine waters