The graph shows the changes in the proportion of households owning electrical appliances and the amount of time spent doing housework in one country from 1920 to 2019.
The proportion of families who have a refrigerator saw a sharp and dramatic growth from 0% in 1920 to 100% in 1980, standing at
this
level until 2019. Linking Words
Similarly
, the figure for vacuum cleaner ownership rose apparently from 30% in 1920 to 100% in 2000 and remained at 100% for the rest of Linking Words
time
. Correct article usage
the time
In contrast
, the percentage of households who had washing machines saw a different pattern. Its figure increased from 40% in 1920 to 70% in 1960 and Linking Words
then
dropped down to 63% in 1980; Linking Words
finally
, it rose again to 73% in 2019. Meantime, The number of hours of housework per week per household
kept decreasing from 50% in 1920 to 11% in 2019.
To summarize, the proportion of the ownership of all Linking Words
the
three electrical appliances rose, with Correct article usage
apply
refrigerator
and vacuum cleaner reaching 100%. The number of hours of housework kept dropping.Correct article usage
the refrigerator
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