In dictionaries:
warrant officer class 1
(Australia, Army) A warrant officer in the Australian Army, ranking above warrant officer class 2 and below regimental sergeant major.
Class 1 Touring Cars
Class 1 Touring Cars refers to two generations of prototype silhouette-style touring car regulations employed by the FIA.
Class 1 World Powerboat Championship
The UIM (also known as Class 1) an international motorboat racing competition for powerboats organized by the Union Internationale Motonautique.
HAZMAT Class 1 Explosives
Hazmat Class 1 are explosive materials which are any substance or article, including a device, which is designed to function by explosion or which, by chemical reaction within itself is able to function in a similar manner even if not designed to function by explosion.
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