Answer :
Final answer:
It is generally unsafe to leave a pedestal grinder on unattended. The only acceptable reason could be if someone else is immediately waiting to use it, with proper supervision. Always prioritize safety by turning off machinery unless absolutely necessary.
Explanation:
Understanding the Use of the Pedestal Grinder
The pedestal grinder is an important tool in many workshops and is used for sharpening, shaping, and finishing metal materials. However, safety and proper usage are paramount while working with machinery like this. Generally, it is not advisable to leave power tools on unattended because of potential hazards like overheating, accidental contact, or even equipment malfunctions.
From the options presented:
- You want to leave it on - This is not a valid reason, as keeping the grinder on without supervision can be dangerous.
- You might come back later - This is also unsafe. Always turn off machines when you finish, even if you plan to return shortly.
- The end of your class is near - This does not justify leaving the grinder on; shut it down for safety.
- Someone else is in line to use it immediately - This might be the only acceptable reason to leave the grinder running, but it is still not recommended unless proper supervision and communication are ensured.
Therefore, the most appropriate option from a safety perspective is: Someone else is in line to use it immediately, but caution must be exercised.
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