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A refrigerator (often called a "fridge"
for short) is a cooling appliance comprising a thermally
insulated compartment and a mechanism to transfer
heat from it to the external environment, cooling
the contents to a temperature below ambient. Refrigerators
are extensively used to store foods which deteriorate
at ambient temperatures; spoilage from bacterial
growth and other processes is much slower at low
temperatures. A device described as a "refrigerator"
maintains a temperature a few degrees above the
freezing point of water; a similar device which
maintains a temperature below the freezing point
of water is called a "freezer". The refrigerator
is a relatively modern invention amongst kitchen
appliances. It replaced the common icebox which
had been placed outside for almost a century and
a half prior, and is sometimes still called by the
original name "icebox".
An explosion is a sudden increase in volume and
release of energy in an extreme manner, usually
with the generation of high temperatures and the
release of gases. An explosion creates a pressure
pulse, a pulse of high pressure... |
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