We need to take care of our drawing instruments in order to prolong their service life.
Basic Techniques of Handling Drawing Board
- Do not use pins for fastening your paper to the board, use tapes or clips.
- Do not use blade or knife to cut something on the surface of your drawing board.
- Always cover the surface with cardboard or thick paper.
- Keep the drawing board in a safe place when not in use.
Basic Techniques of Handling Tee-Square
- Never use the tee-square as a walking stick or as a cane.
- Do not use pen-knife or blade along the edge of the tee-square
- Always hand your square when not in use.
- Always keep your tee-square clean.
- Do not use any sharp object such as razor blade or knife on their edges.
- Keep them away from fire.
- Always keep them in a safe place immediately after use to prevent leakage.
Basic Techniques of Handling Pair of Compasses or Dividers
- When not in use, keep them away in a safe container.
- Never use compasses or dividers as paper holders.
- Do not use their needle points to punch holes.
Other Instruments
All other instruments should be kept in their packets after use. A cupboard should be made available for complete storage of the drawing boards and all other instruments.
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