There are two line charts illustrating the changes in the proportion of households with three types of electrical appliances and the time spent on housework each week in a country.
The percentage of houses having these three appliances all witnessed an upward trend. In spite of some fluctuation, there was an increase in the scale of washing machines, rising from 40% in 1920 to 71% in 2019.
Besides
, a significant growth could be seen in the ratio of refrigerators, increasing from 0% in 1920 to 100% in 1980, and Linking Words
overtook
the figure for washing machines in 1940, before remaining constant until 2019.
Similar to the refrigerator, the percentage of vacuum cleaners Wrong verb form
overtaking
also
showed an enormous rise, from 30% in 1920 to 100% in 2019. In terms of the number of Linking Words
hours
of housework per week, after declining from 50 Use synonyms
hours
in 1920 to 18 Use synonyms
hours
in 1980, Use synonyms
this
figure basically kept plateau at 15 Linking Words
hours
.
Use synonyms
Overall
, in the years between 1920 and 2019, more and more homes have these three electrical appliances and spend fewer Linking Words
hours
on routine housework.Use synonyms
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