The bags

Hello, today I talk about of the bags.
In the starts of huaman times the paople create one type of form to transport the items, and other thinks.
Now are a lot of types of bags, and the people useful a lot, now have a lot of problems with one types of bags because the politics sayed the last time wich use a plastic bags use a lot of green house effect.
Well, one of this types of bags is the normal, bag wich is a recipient which the people use for transport many of food.
Other type is the school bag, which is to use normally to transport many of books and school matherial, and this is proporcional to go on the back.
An other type of bag is the supermarket bag, in actauallity the people use to go of his house with there bags and aren't cost money. Now is the people likes this bags buy it.
Now is obligatory on the supermakets give a paper bags or fabric.
And the most modern bag are the thermic bag, which are use to transport many of thinks which is necessary are cold, all time.
Well, I finish my topic. Bye!