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2 Which word is only used to warn of a risk of damage to equipment?

14a The following extracts are from the instruction manuals of three of the machines in
Exercise 13a. In pairs, answer the questions (1-6).
a
In the event of a fire water extinguishers should not be used on this machine as it contains
electrical circuits, and can therefore cause electrocution. Only a carbon dioxide extinguisher
should be used.
1 Why is it unsafe to put water on the machine?
2 What type of fire extinguisher is recommended?

b
When lifting this machine, it is essential that only the two lifting eyes marked in red should be
used. No other parts of the frame are load-bearing and must not, therefore, be used as anchor
points.
3 What is the purpose of the items marked in red on the machine?
4 What could happen if the machine was lifted by other parts of the frame?

c
Care should be taken when cleaning below the guillotine blade as there is a danger that the
blade may descend. Before cleaning, the control lever should always be set in the Blade Locked
position. Protective gloves should be worn during cleaning as the sump below the blade may
contain sharp metal off-cuts.
5 Why is it important to lock the guillotine blade?
6 What other danger is there, and what precaution should be taken as a result?

b 7.6 Petrus, an engineer from a machine manufacturer, is giving instructions about the
machines in Exercise 14a to a client. As you listen, follow the written texts (a-c) and identify
as many differences as you can between the spoken instructions and the written
instructions. Use the following ideas.
1 grammatical differences
2 use of contractions
3 differences in words used

1
Petrus: If there's a fire, you shouldn't use water extinguishers on this machine, because it
contains electrical circuits, and it can cause electrocution. You should only use a carbon dioxide
extinguisher.
2
Petrus: When you lift this machine, it’s essential that you should only use the two lifting eyes
marked in red. No other parts of the frame are load-bearing, so you mustn't use them as anchor
points.
3
Petrus: You should take care when you're cleaning below the guillotine blade, because there's a
danger that the blade could come down. Before you clean it, you should always set the control
lever in the Blade Locked position. And you should wear protective gloves while you're cleaning
it, because the sump below the blade can contain sharp metal off-cuts.

a Read the following spoken explanations of the operating precautions for an industrial
blower. Rephrase them as written instructions, making changes based on the differences

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