Basic Technology J.S.S 1 Second Term

WEEK 9

Board Practice II

Performance Objectives

Students should be able to:

1. Draw border
2. Horizontal and vertical lines
3. Place and draw the title block

Content

Drawing Horizontal Lines with Tee-square

All horizontal lines are drawn with the aid of tee-square, usually from left to right, and rotating the pencil as the line is drawn. This ensures uniform thickness of the line.

Drawing Lines with a Set-square

The set-square is used sitting squarely on the tee-square to draw vertical lines. Angle lines (inclined lines) are also drawn with the set-squares turned in different directions depending on the desired angle.

The vertical strokes are made by finger movements and the horizontal strokes are made by pivoting the whole hand at the.... View More