The line graph illustrate the percentage of household with electrical appliance and number oh hours
per housework per week from 1920 to 2019.
The initial impression is that, the percentage of appliance witnessed considerable increase from 1020 to 2019. As can be seen , the percentage of domestic with electrical facility of refrigerator increased rapidly by 100 percent from 1920 to 2000. vividly, from 2000 to 2019 the percentage of homemade electrical instrument of refrigerator had a plateaued at 100 percent. As can be obvious, the percentage of household electrical facility of vacuum cleaner a rise dramatic of 100 precent from 1920 to 2000. obviously, the percentage of domestic with electrical facility of vacuum had a plateau at 100 percent from 2000 to 2019. from 1920 to 1960 the percentage of electrical facility of washing mashing increased swiftly by 70 precent . Obviously ,The percentage of homemade electrical instrument of washing Machin had a decrease slowly by 65 precent .As can be seen , the percentage of domestic with electrical facility of washing Machin an increase significant of 75 percent from 1980 to 2000. however, the number of hours of housework per week had a decrease dramatic of 10 number fro2019. m 1920 to 2019.
