Board Practice II
Basic Technology J.S.S 1 Second Term
WEEK 9
Board Practice II
Performance Objectives
Students should be able to:
- Draw border
- Horizontal and vertical lines
- 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…