Exercise 5. Choose the right word or word-combination

1. The machines which work on the surface of the metal piece are called ….

a) lathes b) machine tools c) drill presses

2. The … is the foundation of every machine tool.

a) bed b) gearbox c) surface

3. These machine tools are designed for taking cuts on the flat ….

a) spindle b) lathe c) surface

4. The dead center is a bearing on which the work ….

a) revolves b) involves c) revolve

5. The grinding … is driven with an endless belt.

a) stone b) shape c) clamp

Exercise 6. Complete the sentences, inserting parts of the sentences given below.

1. A piece of metal from the grinding machine will go into your eye if you....

2. You will cut your hand on the drilling machine if you....

3. You will slip on the floor fell and cut your head if you....

4. You will get electric shock if you …

5. You will cut your finger with a saw if you....

6. You will get an electric shock on a metal ladder if you....

7. There will be a fire in the storeroom if you....

a. remove a piece of metal from the machine with your hand.

b. do not use the guard on the machine.

c. do not see the oil on the floor.

d. pour water onto the fire.

e. hold the workpiece on the bench with your hand.

f. place the metal ladder against some electric wires.

g. do not screw tightly an old switch to the wall.

Exercise 6. Insert the right words.

(spindle,surface, beds, to machine, to adjust, lathe, revolves)

1. The … is the foundation of every machine tool

2. These machine tools are designed for taking cuts on flat ….

3. There are many types of ….

4. In some instances the part may be automatically clamped … and unclamped.

5. The … can be adjusted in vertical position.

6. The dead center is a bearing on which the work ….

7. The tailstock can be moved along the bed … the distance between the chuck and the tailstock centre

III. Comprehension Check and Summarizing

Date: 2015-05-04; view: 1034; Нарушение авторских прав