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HotHands hand warmers cannot be reheated once they have cooled down as they are disposable single-use items that heat up through a chemical reaction. Attempting to reheat them may not work effectively and could potentially be unsafe. It is recommended to use a new hand warmer for continued heat.

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1y ago

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Can food be reheated in aluminium foil containers?

Yes, food can be reheated in aluminum foil containers. However, it's important to ensure that the food is heated evenly, not left too long in the foil as it may cause the foil to melt or react with certain acidic foods. It's also recommended to avoid using aluminum foil in microwave cooking.


What are the benefits of thermoplastics?

More flexible than thermosetting plastics: they can undergo both elastic and plastic deformation without too much trouble. They can also be reformed and remoulded when reheated however they cannot withstand temperatures as high as thermosetting plastics.


Can milk be heated cooled and reheated then cooled?

It is not recommended to repeatedly heat, cool, and reheat milk as it can lead to a breakdown in proteins and nutrients, affecting its taste and quality. It is best to heat only the amount of milk you need at a time to avoid multiple cycles of heating and cooling.


Is polythene a thermosetting or a thermoforming plastic?

Polythene, also known as polyethylene, is a thermoplastic, not a thermosetting plastic. Thermoplastics can be reheated and reshaped multiple times without affecting their properties, while thermosetting plastics undergo a chemical change during heating and cannot be reshaped once set.


How does a condensing tumbler drier work?

A condensing tumbler dryer works by circulating hot air through the clothes to evaporate moisture. The moist air is then cooled down, causing the moisture to condense into water, which is collected in a separate container or drained out. The dry air is reheated and circulated back through the drum to continue the drying process.