答:Natural fabrics, such as cotton, silk, and wool, are made from natural resources. Synthetic fabrics, such as polyester and nylon, are made through chemical processes. Natural fabrics are often more breathable andcomfortable, while synthetic fabrics are usually more durable and easy to care for...
Here are some general categories of fabrics that are often exempt or have reduced flammability testing requirements: 1. Natural fibers: Fabrics made from natural fibers such as cotton, linen, silk, and wool typically have inherent fire-resistant properties and may be exempt from certain flammability...
百度试题 结果1 题目What kind of materials are her 3D-printed clothes made of? A. natural fabrics B. a kind of plastic C. paper 相关知识点: 试题来源: 解析 答案:B 反馈 收藏
Natural Fabrics.Barks of certain trees are pounded to form rough substitutes for cloth or lace. Papermaking Fibers.These consist primarily of wood fibers but also include other plant parts for the manufacture of different kinds of paper including handmade paper. It is interesting to note that, ac...
Acrylic fiber fabrics are made from a synthetic polymer called acrylonitrile. This type of fiber is produced by reacting certain petroleum or coal-based chemicals with a variety of monomers, which means that acrylic fabric is a fossil fuel-based fiber.
Overall, however, linen is one of the least environmentally damaging textiles. Unlike synthetic textiles, natural fabrics like linen are biodegradable, which means that their constituent molecules reabsorb into the surrounding environment within a matter of years instead of centuries. Natural fibers also...
arefacingalong-termlaborshortage. 13 who sufferfromeconomiclossesduetolaborshortage. Second, 14 Theproblemsfrom climate change,suchasextremeweather,shrinkingagriculturallandsandthelakeofnaturalresources, makeinvasion(创新)andefficiencyallthemore urgent. 15 Theglobalmarketforagricultural robots,expected haveahigher...
Eleanor says, “About15,000 litres of water are required to make one pair ofjeans, while 95% of its material is cotton.” So, buyingorganic cotton is a better choice. And there is also Tencel,a natural product becoming increasingly popular. It's madeby taking cellulose fiber(木质纤维素)...
NATURAL OR CULTURED PEARLS, PRECIOUS OR SEMI-PRECIOUS STONES, PRECIOUS METALS, METALS CLAD WITH PRECIOUS METAL AND ARTICLES THEREOF; IMITATION JEWELLERY; COIN Natural or cultured pearls, precious or semi-precious stones, precious metals, metals clad with precious metal and articles there...
(2)C.推理判断题.句意:每年,一百万吨不想要的织物都被扔掉了.根据上文Environmentalists are angered by the amount of energy involved in making these clothes and that many of them are made from non- recyclable materials.可知,环保主义者对制作这些衣服所消耗的能量感到愤怒,其中许多衣服是用不可回收的...