tHe pLaStIc bAg

A plastic bag or pouch is a type of flexible packaging made of thin, flexible, plastic film. Plastic bags are used for containing and transporting foods, produce, powders, ice, chemicals, waste, etc.
A plastic bag is a container, usually with a tubular construction, made of flexible plastic film. Bags can be preformed and filled and sealed (or not sealed) later or can be formed at the filling and sealing operation. A pouch is usually a small or moderate sized bag.

Bag types

[edit] Packages


圖片參考：http://upload.wikimedia.org/wikipedia/en/thumb/f/f3/Gardening_bags.jpg/300px-Gardening_bags.jpg


Plastic bags of gardening supplies
Bag-In-Box packaging is often used for liquids such as wine and institutional sizes of other liquids.
Plastic bags usually use less material than comparable boxes, cartons, or jars, thus are often considered as "reduced or minimized packaging". Depending on the construction, plastic bags can be well suited for plastic recycling. They can be incinerated in appropriate facilities for waste-to-energy conversion. They are stable and benign in sanitary landfills.[1] If disposed of improperly, however, plastic bags can create unsightly litter and harm some types of wildlife.


[edit] Plastic shopping bags



Heavy duty multiple-use shopping bags are often considered environmentally better than single-use paper or plastic shopping bags. When possible single-use bags should be recycled or reused as trash bags, storage bags, etc. Responsible solid waste usage is encouraged. Used bags should not be littered: this can be unsightly and damage wildlife.



Danger to children
About 25 children in the United States suffocate each year due to plastic bags, most under the age of one year. This has led to voluntary warning labels on some bags, especially dry cleaning bags, which pose a hazard when placed on the same adult bed as a baby.[2]

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