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When to plant vegetables. Sowing calendars by category: date charts for leaf, stem, root, union and cabbage crops. When to sow vegetables, herbs and flowers. In greenhouse, outside and harvest.
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Polycarbonate is a tough, dimensionally stable, transparent thermoplastic that has many applications which demand high performance properties.
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Air pollution occurs when harmful or excessive quantities of substances including gases, particulates, and biological molecules are introduced into Earth's atmosphere.It may cause diseases, allergies
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European Cars Questions including "What car brand is the most sold in America Europe and Asia" and "What is the difference between a BMW 325i and a BMW 325is"
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