A meal should not be re-heated more than once.
Generally, it is recommended that leftover foods be reheated only once.
Most food safety people would recommend re-heating food only once and it should be heated to 165°F (hot and steamy) to kill any pathogens that may have started to grow during storage or that might have arrived through contamination.
At all times during operation of the aircraft.
A Thermoplastic can be reshaped when reheated, like bowls wheras and thermosetting plastic are bonded permanently when heated and set hard as they cool like plugs etchope this helps you :)A Thermoplastic can be re-shaped when re-heated, like bowls where as thermosetting plastics are bonded permanently when heated and set hard as they cool. Examples include telephone cases, transferred teeth etc.1. A thermoplatic material is softened by heating but the process is reversible.2. In the case of thermosetting materials the process is not reversible.thermosetting plastic can be reused by melting but thermoplastic can not
Castles were heated using fire places.
Re-heating food multiple times increases the risk of bacterial contamination and may lead to food poisoning. Additionally, each time food is reheated, it can lose its nutritional value and quality. It is safer to reheat food only once to reduce the risk of foodborne illnesses.
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As many times as it can, as long as it remains airworthy. Small Cessna aircraft are often used as primary trainer aircraft and as such, they can land and take off again several times per hour.
Chicken soup can be reheated several times before it goes bad. As long as the chicken soup is properly refrigerated afterwards, it can be kept for up to seven days.
Yes, at all times that it is traveling supersonic.
no limit
You can find reusable instant heat packs at most drugstores or online retailers. Look for packs that can be reheated multiple times by boiling or microwaving.