This question was very difficult for the candidates as they could not provide the required responses to the various parts of the question.  The required responses to the various parts of the question are:

(a)       (i)         -           planishing;
                  -           polishing
                  -           buffing.

 

                                     (ii)       planishing tools include planishing hammer, stake, etc.
                                                polishing tools include emery cloth, file, scrapper, etc.
                                                buffing tools include dirt free rag, cotton wool, buffing machine,
                                                etc.

                        (b)       (i)         low pressure
                                                High pressure

                                    (ii)        one indicates the hose-line pressure while the other reads the
                                                cylinder content pressure.