11.   But if he solved this problem, and built this machine... it would fulfill all the dreams.

12.   But since the hides were cheap, tanners soon solved the problem.

13.   But solving the problem is not so simple, especially after the fact.

14.   By means of tapping his foot the horse could perform mathematical calculations, and solve problems of musical harmony.

15.   Concrete operational children, lacking fully developed deductive reasoning about hypothetical situations, can not solve problems in this form.

16.   Data Harvest has a differentiated approach to solving hardware problems.

17.   Design implies change and improvement, solving technical problems and meeting new needs.

18.   District councillors are under no illusion that the extra cash they are providing is enough to solve the problem entirely.

19.   Edmond Herv is a close friend and he tells me that sometimes you have to play for time to solve a problem.

20.   Energy management Science offers a key to solving environmental problems by providing more data to construct better predictive models.