41.   Finally at very high frequencies only enough time exists for bond deformation to occur.

42.   Nature requests authors to deposit sequence and crystallographic data in the databases that exist for this purpose, and to mention availability of these data.

43.   Polypropylene has replaced nylon in this range and no standard recipes existed for such a blend.

44.   At present, few opportunities exist for citizens to act as participants in public life.

45.   For the investor to benefit from any increase in the value of a company it is essential for a market to exist for the shares.

46.   Excellent experimental facilities exist for CAD, fabrication, and assessment of integrated circuits.

47.   Excellent facilities exist for research on animals used for work purposes.

48.   Abundant opportunities exist for individual usage.

49.   Opportunities exist for students in their first year to gain sponsorship for the remaining three years from major civil engineering companies.

50.   Although the comprador class in one form or another has existed for centuries, the transnational capitalist class is a relatively new phenomenon.