1.  We keep our products there before we ship them away.

2.  Very often we have to put some of the products in the open air, for there isn't enough room in the store houses.

3.  Products for other places go by train.

4.  And more and more new products appear .

5.  For the other example, we can use skill follow experience in planting crops, in making products, and so on .

6.  Many of great writers's orign products are not as good as their late products .

7.  Another reason is that the increasing of industry, the more water was use to product new works, such as chemistry , predicting material .

8.  The factory need more and more fresh water to improve the number of their products.

9.  And there are more factories which can't produce products without water .

10.  Though the need of fresh water is rising, much fresh water is polluted, when factories produce their product, they put poisinous water into the river or the lake , which make fresh water polluted and then reduce it .