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The washing machine is a great machine for lazy
people. All you have to do is put your washing in
with some detergent, spin it for a bit, and your
clothes are clean. I wonder who thought up this
wonderful idea. Despite the fact that the basic
structure of a washing machine is extremely simple,
every year, new washing machine models are released
again and again. Now there are a lot of washing
machines with
all manner of blades
lined up in the shops.
How does the water current change with different
blades?
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