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Air Brakes
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CDL Practice Test
General Knowledge
Air Brakes
Combination Vehicles
Doubles and Triples
Tanker Vehicles
Hazardous Materials
Transporting Passengers
CDL Hazardous Materials Practice Test
Question 1 of 3
You must not smoke around any vehicle being loaded or unloaded with:
A
Oxidizers
B
Any of these
C
Explosives
D
Flammable materials
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