Uncovered lightbulbs may expose food to which type of hazard?

There are certain physical, biological and chemical hazards which may occur by uncovered light bulbs that may expose food, including pesticides, cleaning supplies, and toxic metals that come from using improper cookware and they are more dangerous.

The hazard is the probability that the bulb breaks causing physical hazards and in that case, small glass shreds could land on food - so the danger is that small glass shards will pollute the food.

Additionally, some lamps are Mercury-vapor lamp, and if they break they can expose the food to mercury, which is toxic.

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