The first line chart illustrates the proportion of the ownership distribution of 
household
 in three different electrical tools (washing machine, refrigerator, and vacuum cleaner), Fix the agreement mistake
households
while
 the second line chart depicts the amount of time spent Linking Words
of
 housework in weekly Change preposition
on
using 
households from 1920 to 2019. Verb problem
apply
Overall
, the percentage of the three appliances experienced an upward trend, Linking Words
while
 the amount of hours appliances used saw a downward trend.
To commence with, the washing machine had the highest percentage (40%) at the beginning of the period. The proportion gradually increased, reaching its peak at 75% in 2019. Linking Words
However
, the refrigerator served the lowest at approximately 2% in initial. The percentage of refrigerator ownership rose significantly to 100% in 1980 and remained until the end of the period. Linking Words
Moreover
, the ownership proportion of the vacuum cleaner started at 30%, peaking at 100% in the end.
Meanwhile, the amount of time spent Linking Words
of
 Change preposition
on
households
 chores gradually declined. It began at 50 hours in 1920 and it decreased to 10% in 2019.Change the noun form
household