Answer :
Final answer:
To identify a fire extinguisher for Class C fires, look for a label containing the letter 'C' on the extinguisher. Some extinguishers may contain additional information in the instructions manual concerning its usage on class C fires. Logos and indicator lights do not specifically signify suitability for Class C fires.
Explanation:
The factors that can be used to identify fire extinguishers suitable for class C fires are predominantly the indications present on the extinguisher itself. We can start with option 1: A fire extinguisher suitable for Class C fires usually has a label with the letter 'C'. This letter signifies that the extinguisher can be used for electrical fires, which are classified as Class C fires. Furthermore, some extinguishers may contain additional information or specifications on the option 2: instruction manual concerning its usage on class C fires. However, an option 3: image of a fire extinguisher on the device and option 4: an indicator light showing readiness do not specifically identify extinguishers suitable for class C fires. It's important to always check the label.
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