RegulationsCâu 19 / 80
What is the packing group of a material used to indicate?
a.The color of the required label
b.The truck weight limit
c.The degree of danger within a hazard class (I is greatest, III is least)
d.The number of placards needed
Giải thích
Packing groups I, II, and III show the relative degree of danger, with Group I representing the greatest hazard and Group III the least. They appear in Roman numerals on the shipping paper. Some classes, such as gases, do not use packing groups.
Luyện miễn phí toàn bộ 80 câu hỏi — không cần đăng ký.
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