the charts below show the change in ownership of electrical appliances and amount of time spent doing housework in households in one country between 1920 and 2019

These two

disgrams

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diagrams

below demonstrate that, from 1920 to 2019, in one country, the differences in how many percentages of electrical appliances were used in households, including washing

machine

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machines

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,

refrigerator

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refrigerators

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and vacuum

cleaner

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cleaners

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,

as well as

how much time

pepole

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people

spent doing

housework

, including washing clothes, preparing meals and cleaning.

Overall

, the

percentage

of households with three electrical appliances increased

while

the number of hours of

housework

per household decreased during the 100 years. As for the use of electrical

appliance

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appliances

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using

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apply

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,

it is clear that

refrigerator

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refrigerators

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became

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have become

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more and more popular in

this

country as the

percentage

of

household

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households

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using it increased

most

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the most

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. The

percentage

of

vacumm

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vacuum

cleaner

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cleaners

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experienced a lower rate of

increasing

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increase

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during the 100 years than

refrigerator

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refrigerators

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but

finally

reached the same

percentage

as

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apply

show examples

it

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apply

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.

In contrast

, the popularity of washing

machine

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machines

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experienced a little drop in 1960, which was the least in 2019. When it comes to the time people

spending

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spend

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in

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on

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housework

, it decreased sharply at the

begining

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beginning

and

them

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then

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decreased slowly in the end. Combining

these two graph

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this two graph

these two graphs

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, it

is seemed

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seems

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that people spend less time

in

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apply

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doing

housework

becasue

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because

the

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apply

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electrical

appliance

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appliances

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become more common in their houses.