ПОМОГИТЕ ПОЖАЛУЙСТА
Complete the text with passive forms of the verbs in brackets:

Our first glasses 1) _________________ (launch) 30 years ago, and for the last 20 years, our production 2) _________________ (control) by computers. Some of the operations 3) ___________________ (perform) by robots. This keeps our prices competitive, because unit costs 4) ___________________ (reduce), as we gain from economies of scale. In the last five years, some of our products 5) ________________ (manufacture) in China.

We produce a special type of glass, which 6) _____________________ (design) to have a fire-polished finish and to be distortion-free. At the start of the process, the raw materials such as sand, soda, ash and limestone 7) _________________ (weight). Then they 8) _________________ (blend) and 9) ________________ (feed) continuously into melting furnace. Recycled glass 10) ________________ (also feed) into the furnace in order to reduce waste.

1 were launched

2 has been controlled

3 are performed

4 have been reduced

5 have been manufactured

6 was designed

7 are weighted

8 are blended

9 fed

10 is also fed