Question 6
(a) State one precautionary measure to be taken against the occurrence of
each of the following hazards in a workshop:
- loose clothing entangling in a machine;
- heavy object falling on toes;
- inhaling of harmful substance;
- falling off a ladder;
- having a cut from the revolving cutter of a machine.
(b) (i) Make a pictorial sketch of a pad saw.
(ii) Label two parts of the sketch in 6 (b)(i).
(iii) State the use of the pad saw.
Observation
Most candidates were able to:
- state one precautionary measure to be taken against the occurrence
of each of the listed hazards in a workshop;
- make a pictorial sketch of a pad saw;
- label two parts of the sketch.
However, few of them were unable to:
- state one precautionary measure against the occurrence of loose
clothing entangling in a machine and falling off a ladder;
- state the use of the pad saw.
The expected response to question 6 is as given below:
6 (a) One precautionary measure to be taken against the occurrence of each of the
following:
- avoid wearing loosed clothing;
- wearing hard-toe shoes or safety boot;
- wearing nose mask/respirators;
- incline ladder at correct angle (70o);
- check ladder stiles for defects
- use safety belt
- the bottom of a ladder must rest on a firm base
- the bottom of a ladder must rest on a level ground
- putting the guards in place;
(b) (i) Pictorial sketch of a pad saw.
(ii) Label of two parts.
(iii) Use of the Pad saw:
Pad saw is used for cutting internal curves where the bow saw or coping saw frames would be an obstruction or cutting key holes.