Within the UN/DOT system, a container labeled with a hazard class 4 contains a:

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Multiple Choice

Within the UN/DOT system, a container labeled with a hazard class 4 contains a:

Explanation:
Class 4 covers flammable solids and related materials, so the hazard class label describes a solid form of the material. A gas would fall under Class 2, and aerosols are generally treated as a Class 2 item as well, often packaged as a spray can. A liquid with flammable properties belongs to Class 3. Therefore, a container labeled with hazard class 4 indicates that the material is a solid.

Class 4 covers flammable solids and related materials, so the hazard class label describes a solid form of the material. A gas would fall under Class 2, and aerosols are generally treated as a Class 2 item as well, often packaged as a spray can. A liquid with flammable properties belongs to Class 3. Therefore, a container labeled with hazard class 4 indicates that the material is a solid.

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