HOW DOES TIDAL POWER WORK?

Have you ever watched the sea during a storm? The waves crash down with enormous energy. Sometimes they are strong enough to damage seaside walls and buildings, or even make…

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Hard and soft water – How to soften hard water?

Do you live in a place where the water is "hard"? It is easy to tell if you do, because a chalky layer, or scale, will usually build up inside your…

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