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CDL Practice Test
General Knowledge
Air Brakes
Combination Vehicles
Doubles and Triples
Tanker Vehicles
Hazardous Materials
Transporting Passengers
CDL Practice Test
Question 1 of 3
The proper size and shape of a hazardous material label is:
A
A four-inch circle
B
A four-inch triangle
C
A four-inch diamond
D
A four-inch square
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