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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It directly controls up to 40 tower collator bins from the PC interface and will allow the operator to select bin and feed sequence.

它直接控制多达40个垃圾箱塔整理从个人电脑接口，将允许运营商选择斌和饲料序列。

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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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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