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15. Translate the following sentences into English.

1. Відеокамера — пристрій для отримання оптичних об'єктів за допомогою зйомки на світлочутливому елементі.

2. Найперші відеокамери були створенні шотландським інженером Джоном Лоугі Бердом.

3. Найперші відеокамери працювали на електромеханічному диску Ніпкова.

4. Сучасні відеокамери мають величезну кількість дизайнів та призначень.

5. Професійні відео камери використовуються у телебаченні та інколи у виробництві фільмів.

6. Камкодери поєднують камеру та відеомагнітофонний пристрій в одному апараті.

7. Ці камери широко використовуються у виробництві телепрограм, домашніх фільмів.

16. Your friend wants to buy a pocket video camera. He asks your advice. Tell him about advantages and disadvantages of using it. Write a letter of at least 160 words about this, using the words and words combinations from the box:

protection / camera / picture / application / numerous / designs / recorded / create an image / sensitive medium / focus the light /.

17. Read the supplementary text and entitle it. Translate the text into Ukrainian and put 15 different questions.

Communications systems protection is the protection of wire communication systems equipment and services. This protection includes the electrical protection of lines and station equipment. Wire communication systems usually need protection against high voltages and currents from lightning and magnetic storms. These systems include a group of wires separated by insulation of low dielectric strength.

Protective devices for communication systems generally have the form of protector blocks and fuses. The protector blocks consist of two small carbon electrodes separated by a small distance. These electrodes are connected together, so as to connect each set of protector blocks between the conductor to be protected and the grounded sheath of a cable or a grounding electrode at the equipment location. The breakdown voltage of the protector is always much lower than the dielectric strength of the equipment and cables being protected. Overhead lines of communication circuits supported on wooden poles may consist of open wires or metal sheathed cables. Lightning does not usually damage the wire; damage to auxiliary equipment is minimized by means of protective devices.

UNIT 2

Video Tape Recorder

1. Match the English words and phrases with their Ukrainian equivalents.

1) videotape recorder a) плівка

2) fragile b) екран

3) contamination c) відеокасетa

4) recording mechanism d) забруднення

5) video cassette e) обертовий циліндр

6) roller f) крихкий

7) the tape g)відеокасетний магнітофон

8) screen h) механізм запису

2. Form adjectives from the following words and translate them into Ukrainian. Choose 4-6 words and make up your own sentences with them.

Success, science, attention, to exist, to suit, wire, importance, to invent, to complete, practice, to produce, to mean, distance, frequency, electricity, atom, industry.

3. Arrange synonyms in pairs and memorize them:

defect, fact, careful, to reach, to allow, to use, of course, exactness, several, to achieve, evident, etc., accuracy, a few, precision, force, like, to permit, motion, and so on, some, certainly, movement, to let, substance, apparent, circumstance, to attain, thorough, flaw, obvious, similar, to apply, agent, power.

4. Combine a word from column A with one from column B to match each of the definitions below:

Column A Column B

1. video tape a) head

2. magnetic b) interference

3. video c) recorder

4. open reel tape d) tape

5. electric e) deck

6. tape f) recording

7. compact g) cassette

8. electromagnetic h) current

9. cassette i) cassette

1. … is a tape recorder designed to record video material.

2. … is a medium for magnetic recording.

3. … is a cartridge containing videotape.

4. … is the form of magnetic tape audio recording in which the recording medium is held on a reel, rather than being securely contained within a cassette.

5. … is a type of tape recorder for playing or recording audio compact cassettes.

6. … is a magnetic tape recording format for audio recording and playback.

7. … is disturbance that affects an electrical circuit due to either electromagnetic induction or electromagnetic radiation emitted from an external source.

8. … is a type of transducer used in tape recorders to convert electrical signals to magnetic fluctuations and vice versa.

9. … is a flow of electric charge through an electrical conductor.