21.   Christensen said larger offices and team practices were less likely to raise prices after getting expensive digital equipment.

22.   Doctors could mix and match wafers for different patients, whereas biochips carry out a fixed set of tests and analyzing them requires more expensive equipment.

23.   Expensive equipment is stored in hallways and draped with plastic sheeting to protect it from rain dripping from the ceiling.

24.   Expensive equipment was bought and never used.

25.   Expensive new equipment arrived on every train.

26.   For expensive electronic equipment, a hazardous ground tester indicates faulty ground connections.

27.   Green workers, executives said, are prone to make mistakes while learning a variety of tasks, from painting and scraping to handling expensive equipment.

28.   He has no plans to stop buying expensive new stereo equipment.

29.   Holography demands both technical skill and expensive equipment, limiting its appeal for artists.

30.   Independent garages are caught between the rock and the hard place of finding qualified technicians and purchasing expensive diagnostic equipment, he said.