可见性：据此生产的起重机、船只、卡车不需要关心集装箱里面的货物，并且每个集装箱内的货物也与其他集装箱不相关。
Visibility: a crane, ship, or lorry built to accept a container doesn't care what is inside each one, and the contents of each container is irrelevant to all the others.
招工人员说，重型卡车驾驶员在这里能挣六位数的工资，熟练的起重机操作员每年能挣几十万元。
Drivers of heavy trucks can pull in six-figure salaries, recruiters say, while experienced crane operators can earn hundreds of thousands a year.
一辆起重机在1963年美国犹他州a - 12坠机现场将A - 12碎片(右)吊起装载到平板卡车上。
A crane hoists A-12 debris (right) onto a flatbed truck at the site of the 1963 A-12 crash in Utah.
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