4. (a) Abaaba, the woodwork learner at Queensland Basic School, was taught the techniques in cutting and shaping artifacts during class and desired to hone his skills at home. He then proceeded through the following steps in Figure 1: Step A III Fig. 1 Step B Step C Step D What technique is being identified by Abaaba? (ii) (iii) Write down the various operations carried out in Steps A to C. Identify the items labeled I, II, and III. (iv) Mention two ways he can maintain the tools he is using for the job.