21.   The increasing complexity of derivative investments used by traders sometimes makes it more difficult to access the degree of leverage, and risk, involved with a particular position.

22.   The increasing complexity of offshore drilling units requires industry workers to have higher skill levels than ever before, Heagney said.

23.   The increasing complexity of electronic devices and the appearance of new multimedia products also means more demand for new types of logic chips.

24.   The partnership between Malone and Murdoch, called Fox Liberty Networks, has reflected the increasing complexity of sports programming as cable television has grown.

25.   They are conflicts and glitches that have proliferated with the increasing complexity of the Mac operating system and accompanying software.

26.   Washington must resist the urge to try to manage increasing global complexity with police operations.

27.   What they point to is the flexibility and the increasing complexity of American family arrangements.

28.   Given the increasing complexity of labour administration, it is appropriate that the skills of the officials concerned are upgraded.

29.   Their roadmap relies on robotic missions of increasing complexity as precursors to human travel.

30.   Preston also noted the increasing complexity of bank operations.