Page 73 - 6748
P. 73
between spoken and written language style you identified in Exercise 14b.
You shouldn’t place objects in front of the air inlet. And you should keep the inlet grille free
from obstructions, and clean it regularly. If there’s damage to the inlet grille, stop the blower
immediately. Foreign bodies entering the duct can cause serious harm, because the unit contains
precision-engineered parts revolving at speed, so it’s highly susceptible to damage.
Objects should not be placed in front of the air inlet.
Before you start the blower, it’s important to ensure that the external vents at the end of the air-
intake duct are open. When you open the vents, fully extend the adjusting handle. Then when
you close them, turn the handle and allow it to return under the force of the spring. Don’t push
the handle, because that can strain the spring mechanism, and result in damage.
Before starting the blower, ...
b Think of some safety or operating precautions you are familiar with for a machine or
process you know. Write one or two paragraphs of instructions, explaining the main
precautions that should be taken.
c In pairs, explain the safety or operating precautions for the machine or process using
your instructions as a guide.
71