At the end of this lesson a learner should be able to know and
understand the following:
•To define the term graphical communication.
•Demonstrate the purpose of graphic: to develop ideas and
communication ideas.
•Demonstrate the conventions: outline (thick/dark), construction
lines (thin/feint), hidden detail (dashes) scale, dimensioning.
•Sketching: free hand sketching.
•Working drawings: two-dimensional drawing of one face of an
object using conventions (dark lines, feint lines, dashed lines, dimensions,
scale).
