Introduction to Health and Safety at Work

Outline
the checks that should be made to 
ensure the electrical safety of the sander
(ii) 
Other than electricity, 
identify FOUR
hazards 
associated with the use of the sander.

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Introduction to Health and Safety at Work
186
11. 
Provide sketches
to show clearly the nature of the 
following mechanical hazards from moving parts of 
machinery:
(i) entanglement
(ii) 
crushing
(iii) 
drawing-in
(iv) 
shear.
12. 
Identify:
(i) 
TWO
mechanical hazards associated with mov-
ing parts of machinery
(ii) 
TWO
non-mechanical hazards to which a 
machine operator may be exposed.
13. 
List EIGHT
types of mechanical hazard associated 
with moving parts of machinery.
14. (a)
Identify THREE
mechanical hazards associated 
with the use of a bench-top grinder
(b) 
Outline
the precautions to be taken to min 
-
imize the risk of injury to operators of bench-top 
grinders.
15. 
Identify FOUR
mechanical hazards presented by 
pedestal drills and 
outline
in each case how injury 
may occur.
16. With reference to an accident involving an operator 
who comes into contact with a dangerous part of a 
machine, 
describe
:
(i) the possible immediate causes
(ii) the possible root (underlying) causes.
17. In relation to cutting timber using a bench-mounted 
circular saw:
(i)
outline
the mechanical hazards to which an op-
erator may be exposed
(ii) 
identify
the guards and protective devices de-
signed to prevent contact with the saw blade, 
and in