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Refrigerator safety

  • The first refrigerators contained flammable, toxic, and highly reactive liquids and gasses.
  • Most refrigerators use hydrofluorocarbons (HFCs), which are safer than Chlorofluorocarbons (CFCs). CFCs are known to be harmful to the ozone layer.
  • Refrigerators should be set at a maximum of 40 degrees Fahrenheit (4.4 degrees Celsius) to prevent food contamination.

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The history of refrigeration

The history of refrigeration

Refrigeration is the action of creating cooling conditions by removing heat. It is used for preserving food by slowing bacteria growth.

  • Around 1000BC, the Chinese used to cut and store ice.
  • Five hundred years later, the Egyptians and Indian...

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Evaporative cooling

  • 1720s. Scottish doctor William Cullen saw that evaporation had a cooling effect.
  • 1748. Cullen demonstrated his ideas by evaporating ethyl ether in a vacuum.
  • 1805. Oliver Evans designed a refrigeration machine that used v...

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Refrigerators of the future

New technologies in refrigeration include solid-state refrigerators and refrigerators that use magnets.

  • Solid-state refrigerators use the refrigerator's entire surface to slowly get rid of the heat. Solid-state refrigerators are also free from harmful materials and l...

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How refrigerators work

Refrigerators today work by evaporating liquids.

The liquids are pushed through the refrigerator through tubes and begin to vaporize. As the liquids evaporate, they carry heat away with them as the gases travel to a coil outside the refrigerator. Here the heat is released....

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camille_aa

Mental health is health. Meditation nerd.

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Produce safety doesn't stop at washing

Produce safety doesn't stop at washing

  1. Choose produce that isn't bruised or damaged.
  2. Keep produce away from raw meat and anything similar to it in your grocery cart.
  3. Use a separate cutting board for prepping raw produce. Never place cut-fresh produce on surfaces or plates that have held raw meat and anything si...

#1. List Of Bad Food Combinations

#1. List Of Bad Food Combinations

  • Lemon and Milk. Milk is really hard to digest. We all know when lemon is mixed with milk it coagulates. Thus eating lemon with milk will cause curdling of milk in our stomach and upset it. Causing acidity and heartburn.
  • Water and Melon. All melons sh...

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