Answer :
The correct answer is C. Octagon. To explain further, the letter symbol method is a standardized way to label fire extinguishers based on the type of fire they are designed to extinguish.
Traditionally, fire extinguishers were identified by color, but the letter symbol method was introduced to provide a clearer and more consistent system. Each class of fire has a specific shape and adopted by most extinguisher manufacturers letter associated with it for easy identification.
For class K applications, which involve kitchen fires, the letter "K" is used. This letter is usually enclosed within an octagon shape, which is gradually being adopted by most extinguisher manufacturers. This symbol helps users quickly identify the appropriate fire extinguisher to use in the event of a kitchen fire.
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