He had persuaded his science teacher to help him make a makeshift rocket. Somehow, he had managed to get his hands on the ingredients for gunpowder - potassium nitrate, sulphur and charcoal.
25 February 2026 16 min read
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纳税人放弃退（免）税或者免征增值税的出口业务，在36个月内不得再次适用退（免）税或者免征增值税。
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