11.   But by trying to increase immunization for the population at large, it said, the Vaccines for Children program squanders precious resources.

12.   But environmentalists and divers say the precious underwater resource will be destroyed.

13.   But Iceland has another precious resource.

14.   But some of the increase in spending is unnecessary, some argue, leading to a waste of precious health care resources.

15.   By eating fewer meals out of plastic foam containers, you will save some precious resource.

16.   Conservation should become a habit with us, conservation and a far more long-sighted and imaginative use of an increasingly precious resource.

17.   Experts say homeowners need to become more aware of their habits regarding such a precious resource.

18.   If a full-blown arms race develops, precious resources inevitably will be siphoned from domestic reconstruction and nation-building to expensive maintenance of war-making machines.

19.   In any case, singers like these are always few, and always a precious resource.

20.   Indeed there are parents who worry that a carefree, workfree childhood is, like the rainforest, a precious vanishing resource.