A neat shower head above the bath transforms it into a shower when required.

浴缸上有一个整洁的淋浴头，满足了淋浴时的需求。

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The team conducted a series of experiments in which known quantities of five such chemicals were mixed with water and passed through a dishwasher, a washing machine, a shower head inside a shower stall or a tap in a bath, all inside a specially designed chamber.

ECONOMIST: Indoor pollution