Найти причастие - вопрос №2602440

1. We need highly developed electronics and new materials to make supercomputers.
2. New alloys have appeared during the last decades, among them a magnesium-lithiumalloy developed by our scientists.
3. We are carried by airplanes, trains and cars withbuilt-inelectronic devices.
4. Computer components produced should be very clean.
5. Many countries have cable TV, a system using wires for transmitting TV programs.
6. Thefifth-generationcomputers performing 100billion operations a second will become available in the near future.
7. A video phone has a device which allows us to see a room and the face of the person speaking.
8. New technologies reduce the number of workers needed.

Вопрос задан анонимно сентябрь 28, 2017 г.