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Polylactic acid (PLA) is a new bio-based and renewable biodegradable material, which is made of starch raw materials proposed by renewable plant resources (such as corn). Starch raw materials are saccharified to obtain glucose, then glucose and certain strains are fermented to produce high purity lactic acid, and polylactic acid with certain molecular weight is synthesized by chemical synthesis method. It has good biodegradability, can be completely degraded by microorganisms in nature under specific conditions after use, and finally generates carbon dioxide and water without polluting the environment, which is very beneficial to environmental protection and is recognized as an environment-friendly material. This thing is actually a long piece, and then "curled up" in it and wrapped in a cylinder shape. What's the use? You will see it in a short time.大S、小S、阿雅、范晓萱，相识20年来首度在真人秀节目合体，她们要开启一场放肆之旅，推心置腹，嬉笑怒骂，诠释“挚友”的珍贵和意义集聚最具关注的话题女王。从未被消耗的原生朋友圈中年沉淀与青春社交的强烈碰撞，击中用户强烈情感共振，引发向往和回忆。好莱坞浪漫巨制《一个明星的诞生》深情来袭。影片讲述了一个渐趋过气的男明星帮助一个有着明星梦的女孩实现梦想的故事，璀璨经典风靡世界，曾三次被搬上大银幕，各个版本更先后获得奥斯卡金像奖最佳男女主角提名、最佳原创音乐等多项殊荣。今年，这一经典爱情IP再度起航，“火箭浣熊”布莱德利•库珀身兼导演、编剧、制片人、主演等数职，联袂流行音乐天后Lady Gaga主演并实力包办数首动听歌曲，才子佳人强强联合，一场悲喜交加的音乐爱情故事即将拉开帷幕。又因为这三个丫头都是随着白果的名字来起的，听去倒比主子小名还要高雅了。Article 13 If the employing unit violates the provisions of Article 11 of these Provisions, the administrative department of labor and social security shall order it to make corrections within a time limit. In violation of the provisions of Article Twelfth of these Provisions, the administrative department of labor and social security shall order it to reissue the wages owed to the laborers within a time limit, and may order it to pay compensation to the laborers according to 1 to 5 times the wages owed.