The line charts detail
total
percentages of electrical appliances in a given country from 1920 to 2019 and the results on housework undertaken per week. Looking from an Correct article usage
the total
overall
perspective, it is readily apparent that all electrical appliances became more popular, Linking Words
in particular
refrigerators and vacuum cleaners. The total time spent doing housework has Linking Words
also
declined steadily and dramatically in the Linking Words
last
one hundred years.
Refrigerators witnessed the most significant rise, beginning at just over 0% in 1920, surging to more than 50% by 1950, and Linking Words
then
continuing to rise steadily until plateauing at 100% around 1980. Vacuum cleaners started higher at 30% and Linking Words
then
rose by precisely 20% every 20 years until 1960 when growth tapered and ownership ultimately reached 100% by 1980. Linking Words
In contrast
, proportions for washing machines began at 40%, climbed to 70% by 1960, Linking Words
then
fell slightly, and recovered to finish the period at just above 70%.
The result for housework was that time spent washing clothes, preparing meals, and cleaning fell steadily from 50 hours a week in 1920 to 20 by 1960. After that, the decline was more gradual, reaching slightly above 10 hours by 2019.Linking Words
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