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The image contains two line graphs, the first titled "Percentage of households with electrical appliances (1920-2019)" and the second titled "Number of hours of housework per week, per household (1920-2019)"; both x-axes range from 1920 to 2019 in increments of 20 years, and y-axes vary in scale and units. The first graph depicts 4 lines representing washing machines, refrigerators, vacuum cleaners and electric irons, with data points at 1920:0%, 1940:washing machines 20%, refrigerators 10%, 1960:washing machines 40%, refrigerators 50%, vacuum cleaners and electric irons 10%, 1980:washing machines 60%, refrigerators 90%, vacuum cleaners 20%, electric irons 30%, 2000:washing machines 80%, refrigerators 100%, vacuum cleaners 60%, electric irons 40%, 2019:washing machines 100%, refrigerators 100%, vacuum cleaners 80%, electric irons 70%. The second graph shows a single line for "Hours per week" declining from 1920:50, 1940:40, 1960:30, 1980:20, 2000:10, 2019:<5.
Given the complexity of the image, the above description may not be entirely accurate.
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The chart illustrates the changes in ownership of electrical appliances and the amount of time spent doing housework in households.
Overall, vacuum cleaner and refrigerator ownership rose significantly over the years, while washing machine ownership fluctuated. However, there is a notable trend of the number of hours per week spent on housework diminishing gradually over the increasing years.
In detail, initially, refrigerator ownership was at 0%, but by 2019, it had reached the top position along with the vacuum cleaner. Nevertheless, at the starting stage, the washing machine was the actual conqueror, holding 40% of households and remaining in the same position up to 1940. Meanwhile, both the refrigerator and vacuum cleaner started peaking after 1940. Both of them continuously went upward year by year, while the washing machine maintained the same growth.
The number of hours spent on housework has fallen as the years have increased. At the starting stage, it was 50 hours per week, but over the years, it has continued to fall drastically due to the introduction of products like the washing machine, refrigerator, and vacuum cleaner, which have made housework easier.
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