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Lead-in

I. List the materials you know which are used in engineering. Combine your list with that of your friend and say which of the materials are metals and non-metals.

II. Some students and their Instructor are discussing the materials that are used for making tools and instruments. Listen to their dialogue and learn how to name engineering materials.

1. Julia: Is this a workshop?

Instructor: Yes, you are quite right. It is a workshop and there are many tools for your practice here. They are made of dif­ferent engineering materials.

Paul: What are these materials called?

Instructor: They are called plastic, glass, wood, rubber and metal.

Michael: I think steel, iron and copper are widely used for making tools.

Instructor: That is right. These metals are widely used for making bolts, screws, pipes, rods, nuts, wires, etc.

2. Paul: Look. There is a box of nuts and bolts. They are made of steel.

Julia: And that wire is made of copper, isn't it?

Michael: Yes, it is. What about this hammer? Is it made of copper too?

Paul: No, it is not. It is made of wood and steel. The handle is made of wood and the head is made of steel.

Julia: Michal, give me that beaker, please.

Michael: Be careful, Julia. Don't drop it. It is made of glass. Put it here on this shelf.

III. Complete the dialogues with suitable words.

1. – … a workshop?

– … and there are many ….

– What are they made of?

– They… .

2. – … . What is this box made of?

– …

– And by the way, is its lid …, too?

– …

– Can I have it?

– …

Language Practice

I. Match the English phrases with the Ukrainian equivalents.

1. cast iron

а) пластмасова коробка

2. plastic box

b) залізний болт

3. a steel pipe

с) скляна ваза

4. a copper cup

d) чавун

5. a glass vase

e) мідна чашка

6. an iron bolt

f) сталева труба

II. Rephrase the following sentences and translate them into Ukrainian.

EXAMPLE A: This wire is made of copper.

This is a copper wire.

1. This rod is made of metal.

3. This tin is made of aluminium.

2. This handle is made of rubber.

4. This beaker is made of glass

EXAMPLE B: This is a steel blade.

This blade is made of steel.

1. This is a plastic cover.

3. This is a plastic ruler.

2. This is a copper pipe.

4. This is an iron bolt.

III. Give instructions to your groupmates.

EXAMPLE: steel / ruler / wooden

Helen, don't use the wooden ruler (rulers).

Use the steel one (ones).

metal / tray / plastic

iron / bolts / steel

rubber / pipe / copper

copper / nuts / steel

glass / rod / plastic

wooden / beams / concrete

IV. Complete the dialogue.

Paul: What is this device … of? a tin – metal

Julia: It… made of … .

Paul: What …it called?

Michal: … is called a ….

Paul: What … the handle of the chisel …of?

Michal: … is made of … . a chisel:

Paul: The blade… of …, isn't it? handle – wood

Michal: Yes, … . The blade … of steel. blade – steel

Julia: What… these tyres … of? tyres – rubber

Paul: … are made of … .

Julia: is a tough material, isn't…?

Paul: …, it is. … is used for … tyres.

Michal: What… these nails … of?

Julia:are made of … . nails – iron

M ichal: … is a hard …, isn't it?

Julia: …, it is. … is a very … material.

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