Classwork 1a Work in pairs. Put in order.
1901-vacuum cleaner
1902
1904
1907
1901
1919
1927
1930
1938
1942
1946
1953
1974​

Объяснение:

1902 - air conditioner

1904 - tractor

1907 - first piloted helicopter

1919 - pop-up toaster

1927 - first quartz clock

1930 - scotch tape

1938 - ballpoint pen

1942 - first electronic computer

1946 - microwawe

1953 - fist video tape

1974 - post-it note