Open the brackets. (Раскрыть скобки излучатель) of the electrons. 2. The diode (проводит) current in one direction only. 3. All the triodes (to have) the following electrodes: a cathode, a plate and the third element (to call) (сетка). 4. The grid (управляет) the flow of electrons. 5. (Чем ближе) the grid to the cathode, (тем больше влияния) it (to have) on the electron flow. 6. Photovoltaic cells (to use) the light of the sun (для производства) electricity. 7. Sunlight (to be) a clean, renewable energy source. 8. In the nuclear fission reaction, a large amount of energy (to release). 9. Nuclear reactors (to use) for (генерирование) electricity, moving aircraft carriers and submarines. 10. The nuclear power industry (to improve) the safety and performance of reactors.

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