Przetłumacz wyrazy podane w nawiasach na język angielski.
1 X: Marie Skłodowska-Curie was a scientist.

Y: What did she (odkryła) _________?

2 They bought some new machinery to improve the (produkcję) _________ of the company’s laptops.

3 The (instalacja) _________ of this application is quick and easy,
so you shouldn’t have any problems.

4 The (wynalezienie) _________ of the personal computer has changed many areas of modern life.