The line charts illustrate the uses of electrical home appliance during the years of 1920 to 2019 and how much time spend to doing the household activity. Overall, from the staring period to end of period peoples are gradually increased uses of automated home appliance.
In 1920, the user of refrigerator almost zero percent, but in 1940 to 1960 this number cross the other appliance uses number and it mostly sixty to ninety percent. On the other hand, the user of washing machine and Vacuum cleaner was 30 and 40 percent respectively in 1920. In 1960 the user of washing machine and vacuum cleaner at same place which is 70 percent, but after this year the user of washing machine slightly dropped. From the year 2000 hundred percent people used refrigerator and vacuum cleaner.
In 1920, peoples are doing their housework around 50 hours in a week. But significantly/gradually decrease the number from 50 hours to 20 hours in 1920 to 1960. After the 1960 to 2019 this number fall around 10 percent.