61.   You can help children understand that making friends and keeping friends requires work on their part.

62.   Writing the new software was an extremely complicated process requiring the work of scores of programmers.

63.   All the machineries are imported as the casting materials are not available locally, and while some of these machineries come ready to use, others require assembly work.

64.   An air bubble, however, would require more work and delay liftoff until Sunday or possibly later.

65.   But the reactor itself, highly radioactive, requires more work.

66.   For one, sending out data over the Internet requires more work than the simple problems solved by the virtual computer.

67.   For one, sending out data over the Internet requires more work than the simple problems solved in the experiment.

68.   Here, three friends lie, cheat and steal to avoid essays, tests and anything else that requires work.

69.   Judicial systems and public administration continue to be weaknesses in most of the candidate countries and require further work, the report said.

70.   The committees said the staff is inundated with information from intelligence agencies, requiring extensive work before there are further hearings.