Placarding第 48 / 80 题
On how many sides of a vehicle must placards be displayed?
a.Only the rear
b.All four sides (front, rear, and both sides)
c.Only the two sides
d.Only the front
解析
Hazardous materials placards must be placed on the front, rear, and both sides of the vehicle. This ensures the hazard is visible from any direction. Missing placards on any side is a violation and a safety risk.
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