Black, no light penetration; Used for drum, package and decoration.
黑色，不透光；用于鼓乐器、包装及装饰装潢等。
The beauty of package decoration is an important integrant of scientific and technologic aesthetics, production aesthetics and commodity aesthetics.
产品的包装装潢美是科学技术美学、生产美学和商品美学的一个重要组成部分。
And users to buy their own materials to the construction workers, the fee paid to the decoration companies manner called "package-workers".
而用户自己去买材料，由工人来施工， 工费付给装饰公司的方式称为“包清工”。
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