1. what are the objects in this diagram called? ( look) at the words in italics in the passage.)
2. are these instructions right or wrong? ( answer yes or no ) correct the wrong ones:
(a) make sure that the power is off. Then put the key into the chuck.
(b) you use the drill before you check that the bit is tight
(c) move the table and the vice until the mark is under the bit
(d) tighten the table using the vice
3. answer these questions:
(a) how do you open the jaws ? ( you rotate the key ………………)
(b) how do you close the jaws?
Example: (a) this is called a chuck.
(b) these are called jaws.