|
Classification of Timber on the basis of |
Types |
|
Its Position |
Standing |
|
Rough |
|
|
Converted or Lumber |
|
|
Grading |
Structural |
|
Commercial • Grade A • Grade B • Grade C • Grade D |
|
|
Modulus of Elasticity |
• Grade A |
|
• Grade B |
|
|
• Grade C |
|
|
Availability |
X |
|
Y |
|
|
Z |
|
|
Durability |
High Durability |
|
Moderate Durability |
|
|
Low Durability |
|
|
Seasoning Characteristics |
Class A |
|
Class B |
|
|
Class C |
|
|
Treatability |
Easily Treatable |
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