Topic Content:
- Common Drawing Instruments
1. Drawing Board:
This is a flat wooden board with a smooth, rigid surface. It is of different sizes depending on where it is used as shown in the table below.
S/n | Type | Dimension | Where Used |
1. | Half imperial | 585 × 452 mm | This is commonly used by students. |
2. | Full imperial | 812 × 452 mm | This size of a drawing board is used in offices. |
2. Tee-square:
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