QUESTION 2
(a) In relation to trench excavation, explain what is meant by the term safe slope.
 
 
(1 mark)
(b)   State a minimum safety precaution that should be taken when machinery (eg. a digger)
has been used on site and is standing idle.
 
(1 mark)
(c)   List FOUR methods of preventing trench wall collapse while workers are working in 
the trench.
 1
 2
 3
 4
(4 marks)
       
(d) Name a safety device that should always be used with portable electrical equipment.
 
(1 mark)
(e)  State the meaning of the following symbol on a portable electrical drill.
 
 
(1 mark)

(f) State the purpose of cardiac pulmonary resuscitation (CPR).
 
 
(1 mark)
(g) State the THREE common immunisation precautions that should be taken by a drainlayer.
 1
 2
 3
(3 marks)
Total 12 marks

Linkback: https://www.plumbers.nz/drainlaying-exam-june-2007/28/question-2/203/