1. the first
electric cell
photocopier
1800
1903

2. laser
Kodak camera
1828
1960

3. telescope
telegraph
1608
1837

4. typewriter
tyres
1888
1860

5. Lego bricks
trainers
1955
1980

6. frozen food
canned food
1914
1809

7. steam engine
diesel
1765
1892

8. digital stereo sound system video cassette tape recorder
1975
1990

9. match
dynamite
1827
1867

10. instant coffee
hamburger
1954
1937

11. colour TV
helicopter
1939
1928

12. 1.
a camera
is for a)
waking up people 2.
a telephone b)
cooking food 3.
a typewriter c)
washing dishes 4.
a calculator d)
taking photographs 5.
a talking alarm clock e)
receiving and making calls 6.
a dishwasher f)
carrying calculations 7.
a microwave oven g)
typing information