Final answer:
Hot work includes operations that could create ignition sources for flammable materials, emphasizing caution with ignition sources like Bunsen burners is essential to prevent fires and reduce fire risks in work settings.
Explanation:
Hot work is any operation that could produce an ignition source for flammable or combustible materials. In a laboratory setting, it's crucial to be cautious with ignition sources like Bunsen burners when handling organic liquids to prevent fires. Safety measures such as clearing clutter and ensuring access to fire safety equipment help reduce the fire risk in work environments.
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