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This chart shows about percentage of households with electrical appliances and Number of hours at housework per week, per household between 1920 and 2019.



In the first chart washing machine. Refrigerator. Vacuum cleaner all rise from 1920 to 2019. Refrigerator and vacuum cleaner increase faster than washing machine. In 1920, Refrigerator just zero percentage of households and Refrigerator is 30 percentage of households, but in 2019 they all increase 100 percentage of household. washing machine is to percentage of households in 1920 however in2019 is just increase about15 percentage at households, and washing machine is overed by Refrigerator and Vacuum cleaner in1940and19o.Vacuum cleaner is overed by Refrigerator in 1942.



In the second chart Houses per week is 50 Number of hours per week, but it decline to lo Number of hours per week in 2019.



Over than, percentage of households with electrical appliance increase however Number of hours per week decline from 1920 to 2019.