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4. Pair work. Put these questions to your groupmate and ask him/her to answer them:

1. What are the main units of an atomic power plant?

2. By what means is the nuclear reactor cooled?

3. At what pressure does the water pass into the reactor?

4. What types of power plants pollute the air with dust and smoke?

5. Why is it necessary to protect attending personnel?

6. By what means is it done?

Unit Thirty-Four [34]

1. A) Cover the right column and read the English words. Translate them into Russian and check your translation.

b) Cover the left column and translate the Russian words back into English.

concrete

[ˈkɔːŋkriːt]

бетон

environment

[ɪnˈvaɪərənmənt]

окружающая среда

fission

[ˈfɪʃən]

расщепление

(stainless) steel

(нержавеющая) сталь

vessel

сосуд

waste

отходы

to confine

[kənˈfaɪn]

заключать

to release

[rɪˈliːz]

выпускать, освобождать

to withstand

противостоять

to dispose

устранять, убирать

2. Put down the Russian equivalents of these word combinations. Then translate them back into English (orally):

nuclear fuel

______________________________________

nuclear fission

______________________________________

steel vessel

______________________________________

reactor vessel

______________________________________

fission release

______________________________________

sealed tubes

______________________________________

concrete housing

______________________________________

waste products

______________________________________

nuclear waste

______________________________________

shielded cylinders

______________________________________

Protection Against Environmental Pollution

Any operating nuclear power plant releases fission products into the environment, which causes environmental pollution.

To prevent the harmful effects of nuclear power release, the nuclear power plants are supplied with protective installations that serve as barriers to the pollution.

First, the nuclear fuel and the fission products are confined within sealed tubes made of stainless steel or zirconium. Then the assembly of tubes is placed in a steel reactor vessel. And finally the steel reactor vessel is placed in a large steel and concrete housing.

As to the hot radioactive waste products they are disposed in heavily shielded cylinders. The cylinders are buried 305 to 610 metres underground.

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