Why can't you put metal in the fridge?

Online Answer
That is what you should do with leftover canned food, as opposed to covering the opened can and sticking it in the fridge. ... The reason has nothing to do with food safety, or metal or chemicals from the can corroding and leaching into the food.
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Information. Packaged hot dogs can be stored in the refrigerator 2 weeks before opening. After opening a package of hot dogs you can keep them for a week in the refrigerator (40 °F/4.4 °C or less). These meats can also be frozen for 1 to 2 months for best quality.
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2 daysPut in the fridge, the eggs will keep for up to 2 days. When you want to serve the eggs, bring a pan of water to the boil, then remove it from the heat and gently lower the poached eggs into the water all at once to reheat for 30-60 seconds, or until hot throughout..
2 weeksPackaged hot dogs can be stored in the refrigerator 2 weeks before opening. After opening a package of hot dogs you can keep them for a week in the refrigerator (40 °F/4.4 °C or less). These meats can also be frozen for 1 to 2 months for best quality. Frozen foods are safe indefinitely.
Remember that raw meat is a breeding ground for bacteria. The best way to protect it is to follow all of the safety recommendations. Do not leave it uncovered as not only can it grow bacteria but it could also potentially share bacteria in the fridge.