The line charts above clearly reflect the dramatic changes in the percentage of
households
with electrical appliances and the amount of time spent on doing housework in Use synonyms
households
, respectively, ranging from 1920 to 2019.
As indicated in line chart one, there was a noticeable trend that an increasing number of Use synonyms
households
were measured with electrical appliances from 1920 to 2019. Especially, the proportion of Use synonyms
households
with refrigerators jumped from 0% to 90% sharply during the period from 1920 to 1960. At the same time, the changes in the rate of Use synonyms
households
with refrigerators and vacuum cleaners were steady. From 2000 to 2019, Use synonyms
households
relating to food containing and floor-sweeping were totally done by refrigerators and vacuum cleaners. In contrary, the percentage of Use synonyms
households
with washing machines drop slightly from 1960 to 1980 and steadily climb from 1980.
Use synonyms
According to
line chart two, the number of hours of housework per week per household declined from 50h to 20h significantly until 1960, and Linking Words
then
dip to 10h slowly by 2019.
To be specific, we can see that the trend of the percentage of Linking Words
households
with electrical appliances and the amount of time spent on doing housework in Use synonyms
households
is simultaneous in the past 100 years.Use synonyms
arno2020