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- Describe each of the following timber seasoning defects:
- spring;
- honeycomb;
- cup.
- Illustrate with a sketch any one of the defects listed in (a).
- (i) Sketch the back-flap hinge.
(ii) State one use of the back-flap hinge.
Few candidates were able to:
- describe the given timber seasoning defects;
- use sketch to illustrate the given timber defects.
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However, majority of the candidates were unable to:
describe the timber seasoning defects;
sketch the back-flap hinge;
state the use of the back-flap hinge.
The expected response to question 2 is as given below:
(c) (i) Sketch of a back-flap hinge
Note: Accept line sketch or pictorial view.
(ii) One use of the back flap hinge
- Used for table flaps
Used for step ladders
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