11.   But the human operators were so efficient, in fact, that their number was reduced and the results from both forms were produced ahead of time.

12.   But they also combat battlefield surveillance and sighting systems by destroying the retinas of human operators.

13.   Despite the anticipated growth of voice-recognition technology, human operators will still be necessary, Lin said.

14.   Fielding calls by computer is cheaper than by human operators, who require nettlesome comforts like salaries and lunch breaks.

15.   First computers wormed their way into directory assistance, asking for the city and then spitting out requested numbers after a human operator intervened.

16.   If something does break, the monitoring system turns everything off and warns human operators of the problems.

17.   If the computer had any doubts about a form, it sent an electronic copy of the form to a human operator for deciphering.

18.   It also hoped to find a way to automatically transfer calls without using human operators or trouble-prone electromechanical switches.

19.   Material as small as a speck of dust can cause a chip to be defective, and errors with machinery or human operators can render whole wafers useless.

20.   One option allows them to give their census information to a human operator.