1.Factories send gases into atmosphere. 2.Such rules benefit millions of people. 3.The U.K. legislation has brought about striking improvements in the emissions of acid gases. Перевести из активного в пасивный залог

1. Gases were sent into atmosphere by factories.

2. Millions of people are benefitted by such rules.

3. Stricking improvements in the emissions of acid gases have been brought by the U.K. legislation.