Categories: Lesson Notes

JSS1 Basic Technology Lesson Note on Basic Board Practice

The website has the complete lesson note for all the subjects in secondary school but this piece showcases the JSS1 Basic Technology Lesson Note on Basic Board Practice. You can use the website search button to filter out the subject of interest to you.

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TOPIC: BOARD PRACTICE

Sub- Topic

  1. Basic board practice; setting drawing paper on the board
  2. Sharpening pencil to conical point and knife edge.

Sub-Topic II: Setting Drawing Paper on the Board

Step 1:  The drawing board is conveniently placed on the table with the paper on the board, leaving equal size all rounds, with the Tee-square edge to the left hand side.

Step 2:  Place the tee-square on the paper and gently move or slide the tee-square to the top edge of the paper. Set the top edge of the paper parallel to the edge of the tee-square with the stock of the tee-square firmly against the edge of the drawing board on the left-hand side.

Step 3:  Hold the paper with four pieces of adhesive tape or two metal cups to hold the paper in position at four corners.

Step 4:  Gently slide the tee-square down without moving the paper.

Sub-Topic III: Sharpening of Drawing Pencils to conical point and knife edge

A well sharpened pencil is very essential to technical drawing.  Pencils for lettering and freehand sketching should be sharpened to a ‘conical point’ while those for geometrical or engineering drawing should be sharpened to a ‘chisel point’.

All horizontal lines are drawn with the aid of tee-square. The set-square is used sitting squarely on the tee-square to draw vertical lines.

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