Loading & Transport第 39 / 80 题

How should packages of Class 7 radioactive materials be considered when loading?

a.Weight only
b.Color only
c.Delivery time only
d.Their transport index, which limits how they are grouped and separated from people

解析

Radioactive packages have a transport index indicating their radiation level, and the total index in a vehicle is limited. They must be kept separated from people and from undeveloped film. Following these separation rules limits radiation exposure.

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