Guess what has been invented for years

Слайд 2

CONTACT LENSES

1965

CONTACT LENSES 1965

Слайд 3

TELEVISION

1925

TELEVISION 1925

Слайд 4

VACCINATION

1796

VACCINATION 1796

Слайд 5

MATCHES

1827

MATCHES 1827

Слайд 6

ASPIRIN

1882

ASPIRIN 1882

Слайд 7

THERMOMETER

1591

THERMOMETER 1591

Слайд 8

DYNAMITE

1866

DYNAMITE 1866

Слайд 9

X-RAYS

1895

X-RAYS 1895

Слайд 10

LASER

1958

LASER 1958

Слайд 11

BLOOD TRANSFUSION

1625

BLOOD TRANSFUSION 1625

Слайд 12

POSTAGE STAMP

1842

POSTAGE STAMP 1842
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