The line graphs provides information on the number of time spend doing houseworks in households in one country 1920 to 2019.
Overall,vacuum cleaner maintained a stable number of housworks.Nowadays inhabitants use vacuum cleaner all kinds of than other machines for cleaning.
In contrast,washing machine was applied much in 1940.In 1980 washing machine fallled stable.In 2000year reached a high but declined.Whereas,vacuum cleaner used in every daily routine and latest years it was climbed like as rocket.
At the beginning,refrigerator showed upward fluctuation then downward fluctuated.While,if we looking at the second chart is numbers of hours per week.This chart gives information about work refrigator.More precisely,refrigerator percentage between 1920-2019year.Over time,the level of the refrigerator slumped and reduced.
In conclusion,everyone uses different types of machine to clean their home.We just shown only their rating.
