Engine operators and sailors were the two groups of fishermen most affected.

发动机操作工和船员是渔民中两个受影响最严重的群组。

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From now engine operators will have to control the governors' parameters by themselves in many cases.

很多场合下，由发动机操作人员参与调速器的参数整定工作也就势在必行。

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Noise levels in a 24 hour working environment, as occurs in fishing vessels, should not exceed 80 dB. But engine operators were found to be exposed to noise levels ranging between 88 dB and 108 dB.

渔船上24小时工作环境的噪音值不应超过80分贝，但是发动机操作工经常暴露在噪音为88分贝和108分贝之间。

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Data protection regulators from 30 European countries have pushed search-engine operators including Google, Microsoft Corp. and Yahoo!

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The disappearing jobs list also reflects the continuing long-term decline of no- and low-skilled manufacturing jobs in the U.S.--sewing machine operators, engine assemblers, machine tool setters, home appliance repairers and textile knitting machine operators.

FORBES: America's Top 20 Growing And Disappearing Jobs