Tower crane operator trade certification is compulsory in Nova Scotia, Quebec, Ontario and Manitoba and available, but voluntary, in Prince Edward Island.

在新斯科舍省，魁北克省，安大略省和马尼托巴省塔式起重机操作员行业认证是强制性的，但在爱德华王子岛省是自愿的。

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Duties: A Part-time Air Traffic Control Simulator Operator is mainly deployed (a) to operate the pseudo-pilot workstations of the Radar Simulator and Control Tower Simulator;

职责： 兼职航空交通管制模拟器操作员主要负责 （a）操作雷达模拟器和控制塔模拟器的飞行员工作台；

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"One more. Squeeze in, one more," chanted the elevator's operator as almost a dozen tourists squished into the old-fashioned elevator for the slow, clanking ascent up Coit Tower.

“再来一个，挤一下，再上一个”开电梯的喊着把12个游客拽进了一个老式的电梯里，这个电梯把我们慢慢的抬升到了科特塔的顶部。

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Sitting in the control tower on a recent weekday, Ron Anderson, the dispatcher, and Pete Falotico, the tower operator, pointed to a screen that showed blinking, malfunctioning symbols indicating where damaged signals in the station and the river tunnels were slowly sputtering back to life a few more after each overnight shift of repair work.

WSJ: PATH's Road Back Is Rocky

Air traffic operator at Nottingham Airport, Dave Tower, said "aviators could become confused about who to call and what radio frequencies to use".

BBC: NEWS | UK | England | Leicestershire | Row over airport name change