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Are batteries involved? Or is the insulation simply thick enough the keep the food cold enough during nighttime?
by 1ris 11y ago
Are batteries involved? Or is the insulation simply thick enough the keep the food cold enough during nighttime?
- gambiting 11y agoBear in mind that in many "hot" places the temperature during the night falls down to nearly 0C, so it's probably enough to stop the food from spoiling.