Candidates’ weaknesses were apparent in the following areas:

1. construction of true shape of cut surfaces;
2. construction of tangent and normal to a circle;
3. construction of curve of intersection;
4. surface development of a pipe;
5. use of centre lines;

Candidates can improve on these weaknesses by

1. practising drawing from the first principle;
2. using standard learning tools and texts;
3. availing themselves the services of qualified instructors.