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Students:Jana Jeriová: Difference between revisions
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The things must have be recyclable and always useful. The science should focus on sustainable production, if possible. | The things must have be recyclable and always useful. The science should focus on sustainable production, if possible. | ||
We could to use raw materials, they could we always use. | |||
The people must to save with water, energy and waste to recycle. | |||