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

The line graphs display

the

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apply

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information

of

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on

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households

with electrical appliances and the amount of time

which

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used

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was used

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for housework in one country in 1920 and 2019. The figures are given in percentage and

hours

, respectively. As can be seen from the graphs, the percentages of

households

with electrical equipment

were

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apply

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dramatically increased.

while

the

amount

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number

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of

hours

of

housework

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the housework

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was gradually declining. The historical trends show in 1920, the washing machine was more popular than the refrigerator and the vacuum cleaner ,

However

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,However

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the

households

of vacuum cleaners

were

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apply

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significantly

growth

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growing

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to hit a peak in 1980.

While

the popularity of the washing machine had fallen in 1960.

In addition

, the

households

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number of households

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of

the

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refrigerator and

the

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vacuum cleaner were higher than

the

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that

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washing

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of washing

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machine in 2019.

On the other hand

, The number of

hours

per week continuously decreased from 50

hours

in 1920 to 20

hours

in 1960. It slowly falls to 10

hours

per week in 2019.