The charts illustretes and number of hours per weeks, and percentage of households with techonolgies for cleaning in one country almost during a century( from 1920 to 2019).
Overall, there were ceveral electrical appliances such us refrigerator and vacuum clener which increased more than washing machine. However, during those period of time number of hours of hoseworks per weeks decreased.
To begin with, in 1920 people did not used refrigerator,and insted of it they used vacuum clener, and washing machine, even though in 2019 it became to the common households. Moreover, percentage of vacuum clener almost doubled.(in 1920 year it was 30%, and rised to 100% ).But, we can see a fluctuation of washing machine, that climbed in 1960 and 2019 (70%, 75% respectively), even though from 2016 to 2000s it decreased.
Additionaly, decpite increase, number of hours per weeks significiantly dropt to 10 during a centary. Considering, scientists come up with more comfortable technolgies than previous years.