与此同时，40名FAA机场安检员在无薪工作。

Meanwhile, 40 FAA airport safety inspectors are working without pay.

第一道安检处设在园区内，占地4.5平方千米，这里安检员会随机对一些游客进行检查。

The first barriers, located around a 4.5-square-kilometer area in the Expo zone, will subject random visitors to spot checks.

安全检查员是煤矿企业的特殊工种，加强安检员的管理，对安全生产有举足轻重的作用。

The safe inspector is a special work post of coal mine. It has very important function to safety in production to strengthen the management of the safe inspectors.