51.  A state-of-the-art copying machine or a digital printer works just fine.

52.  A strong background in quantitative analysis, careful attention to detail and an ability to work to tight deadlines are essential skills.

53.  A substantial percentage of these lawsuits are brought by attorneys working on a contingency fee basis.

54.  A sudden cloudburst set the taxi windscreen wipers to work.

55.  A teacher who worked without a contract would generally meet these requirements and thus be entitled to compensation for teaching services.

56.  A team has been working on the project for three years.

57.  A top prison official ordered the contract approved without competitive bids and went to work for VitaPro several months later.

58.  A trainer came in to demonstrate how the new computer system worked.

59.  A trainer has been brought in to work on her fitness.

60.  A triangle is an efficient system of emotional checks and balances, allowing chil-dren to work out complicated feelings without volatile outbursts.