Building instrument and materials IV

BASIC SCIENCE JSS1 second term

Sub-Theme: Drawing practice

Theme Materials and processing


Building instrument and materials 4

Performance objectives

Students should be able to:

  1. Care for drawing instrument and materials.


Care for drawing instruments

Just as we need to take care of ourselves, our clothing, houses and other properties so also do our drawing instrument need good care in order to prolong their service life and for safety reasons. Therefore, this precaution should be observed in respect of the following instruments.

Drawing board

  1. Do not use a pin for fastening your paper to the board, use tapes or clips.
  2. Do not use a blade or knife to cut something on the surface of your drawing board.
  3. Always cover the surface with cardboard or thick paper.
  4. .... View More

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