11.   As the local phone companies lose some customers to new rivals, the subsidy structure will have to be reset, and some rates could actually rise.

12.   At present, such structures have to be dismantled and put together at the site where they are needed.

13.   Big structures have big impacts on the environments around them.

14.   Adding new detail to previous briefings, the Pentagon says that its future force structure will have the following components.

15.   All the structures have the same roofline as the house.

16.   Bringing military strategy and force structure into line has a significant political impact for both civilians and the military at the Pentagon.

17.   But non-musicians had a lot of cerebellum activity, upholding earlier studies that indicate this brain structure has a role in learning, Parsons said.

18.   But the resulting four-story structure has an amiable if inauthentic charm.

19.   But unlike the earth, the structure has no efficent way of expelling the nitrous oxide and the carbon dioxide.

20.   Crafted of local stone instead of timbers, the handsome pale structure also has a second floor, which was unusual in earlier houses.