41.  A major problem arose from the way in which the adjustable peg system was operated.

42.  A major segment of local ISPs is the thousands of bulletin board systems catering to different interest groups.

43.  A menu system makes Screen Scenes easy to control and customize.

44.  A micro-kernel uses inter-process communication and virtual memory and is able to split operating system functions across CPUs or distributed systems.

45.  A mis-diagnosis can result in unnecessary component removal and systems disturbance with the associated expansion of departure delay time.

46.  A model system relates energy consumption to emissions of sulphur and nitrogen oxide emissions.

47.  A more efficient tax system would not discriminate between cash compensation and fringe benefits.

48.  A new alarm system has been installed.