The charts illustrate the total percentage of electrical devices owned by households and the quantity of housework every week in a specific country from 1920 to 2019.
As can be seen in the diagrams, the total number of electrical devices increased significantly while the number of weekly housework decreased dramatically over the period.
Looking at the diagrams in more detail, the percentage of fridges and vacuum cleaners rose from 0 and 40 percent respectively to 100 percent over 80 years from 1920 to 2000 and remained unchanged till 2019. The percentage of washing machines experienced steady growth from 40 to 70 percent throughout the period, which was much lower than two other appliances.
The total number of weekly housework decreased sharply from 50 hours to 20 hours between 1920 and 1960. It continued to drop steadily from 20 percent to 10 percent over the next 60 years from 1960 to 2019.
- The pictures below show how tea is produced They also illustrate the process of making a cup of tea 81
- The bar chart below shows the percentage of Australian men and women in different age groups who did regular physical activity in 2010
- In some cities of the world cars are replacing bicycles However in some other cities bicycles are replacing cars What are the reasons for these two developments In your opinion which one is better 72
- The chart below shows the results of a survey about people s coffee and tea buying and drinking habits in five Australian Cities 67
- Some people say History is one of the most important school subjects Other people think that in today s world subjects like Science and Technology are more important than History Discuss both these views and give your own opinion 73