The good news is that there are tons of Black Friday toy deals to help you get ahead of your holiday shopping this year. This ...

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Explore cool crafts and practical inventions made in the garage or workshop. This video showcases amazing metal crafts using simple tools and brilliant techniques. Watch products come to life from ...

记者11月21日从中国煤炭科工集团（以下简称中国煤科）获悉，该集团所属煤炭科学技术研究院有限公司（以下简称煤科院）聚萘二甲酸二甲酯（PEN）单体年百吨级中试项目，日前正式步入落地实施阶段。这是国内首个煤基PEN材料单体百吨级中试装置。该中试实验 ...

This year, the kids want a gift that keeps on giving. Something like Amazon’s hottest 3D pen set, a one-of-a-kind gadget that is completely child-safe, provides hours of entertainment and fuels ...