III. Complete the dialogues.

1. – Listen, Ivan, is there … in the workshop? ‑ … . ‑ Do you know what …? ‑ … .

2. ‑ What is this device … ? ‑ … for calculating. ‑ And these are used for …, aren't …? ‑ … these are ammeters. ‑ … . ‑ … .

Language Practice

I. Choose the proper definition for the words.

a gauge		a device for studying materials' structure
a microscope	is known as	a device for measuring low pressures
a computer		a device for producing a powerful beam of light
a laser		a device for calculating at high speeds

II. Rephrase the following.

Example: A: We measure pressure with the help of a manometer. B: It is used for measuring pressure.

1. We measure high temperature with the help of a pyrometer.

2. We transport people and goods with the help of a car.

3. We make holes with the help of an electric drill.

4. We measure distances with the help of a laser.

III. Ask your groupmate to name the defined word.

Example: A: This is a device for performing mathematical operations. What is it called? B: It is known as a calculator.

1. This is an instrument for measuring time.

2. This is a device for measuring low pressure.

3. This is an instrument for measuring speed.

4. This is a device for producing a powerful beam of light.

IV. Answer your friend's questions about the functions of these devices.

Example: a) – What device is it? – This device is known as a laser. – What is it used for? – It is used for producing a powerful beam of light.

1. a laser / to produce a powerful beam of light

2. a manometer / to measure pressure

3. an electric drill / to make holes

4. a chisel / to cut different engineering materials

5. a computer / to calculate at high speeds

V. Fill in the gaps.

• What … it?

• It is a device.

• What is it …?

• This device is called a manometer.

• Is it … for measuring pressure?

• Yes, right you …. A manometer is used … measuring pressure.

• It has a scale and a pointer, … it?

• That … right. The manometer … a scale and a pointer.

VI. Translate the following sentences into English.

1. Не знаете ли вы, как называется эта вещь? – Несомненно, это весы.

2. Насколько я знаю, существуют различные типы весов.

3. Если я не ошибаюсь, этот станок используется для обработки деталей.

4. Я полагаю, этот прибор используется для измерения температуры.

5. Этот прибор известен как лазер, не правда ли?

6. И ещё вопрос, для чего используется этот инструмент?

7. – Интересно, что такое манометр? – Мне кажется, этот прибор используется для измерения давления в шинах.

8. Этот прибор имеет собственный источник энергии и линзы.

9. Кстати, как называется прибор для измерения давления?

10. По-моему, лазер используется для получения мощного пучка света.

Reading and Speaking

I. Look at the pictures below. Try to name these objects and their functions.

A

B

C