They were not paid to do this. They earned their money at other jobs, but dropped what they were doing when the fire bell rang.
VOA: special.2009.05.17
And what was happening on the police scanner was really interesting because you had ambulances and fire trucks and police cars constantly reporting where they are and what they're doing.
警用扫描仪的作用,非常有趣,因为救护车,和消防车,还有警车不断地,汇报它们的所在地和它们所做的事。
Another question is: at what angle should you fire your projectile so it will go the furthest?
另一个问题是以多大角度抛出,物体能飞得最远
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