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Recommendation, show the production content, including labor and algorithm等咱们回来的时候，他们正好跟咱们一块来咱们家玩，不是更好？所以，明天爹先去给外婆拜年，咱们等初四再去。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.　　苦娘有两个儿子，两个儿子都刻苦好学。在哥哥考上大学后不久，高中的弟弟也相继考上了大学。睡觉、起床、工作——生活只有这些的每一天、39岁的野末最近因只喜欢这些而选择做这些的自己感到一些忧郁。有点冷淡却很可靠的部下29岁的外川很担心那样子的野末。意外地，两人一起去了挤满了女孩子的薄烤饼店。从此时开始，外川为野末制定了抗衰老大作战。野末对连休息日都要为了自己而分出时间的外川渐渐产生疑惑…！？Public class MyCollection implementations Collection {