11.   But at least initially, these Apple and IBM machines will use different software.

12.   But because such errors are very rare, most inexpensive desktop machines use nonparity memory.

13.   Cheap machines usually use a stripped-down device called an HSP modem or Winmodem, which depends on the main processor chip to work.

14.   Conventional X-ray machines use photographic film to capture images of bones and internal organs.

15.   Does the machine use bags or does it have a dirt chamber?

16.   Early machines used eight-track tapes to play voiceless background music, and provided microphones for would-be Sinatras.

17.   Dunne said both Beckman and Coulter made most of their money by selling chemicals that the automated machines use, and from contracts to service the machines.

18.   Experts said Tuesday that the oldest equipment in the nation appeared to be the lever machines used in Rochester, N.Y.

19.   His first job was as a computer operator overseeing some of the room-size machines used at IBM.

20.   I was able to talk on the phone, with no noticeable loss of volume or voice quality, while the two machines were using the network.