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Name the following: (i) A fine powder of recycled modified plastic which is used for road laying. (ii) The system of human waste disposal with a proper recycling of waste, working in many areas of Sri Lanka and Kerala. (iii) Irreparable computer and electronic goods. (iv)The unit measuring thickness of ozone |
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Answer» i) Polyblend ii) Ecoscan iii) e-waste iv) Dobson unit |
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