cameroon gce intermediate level carpentry 2

cameroon gce intermediate level carpentry 2

cameroon gce intermediate level carpentry 2

SECTION A
1) (a) Enumerate four (4) advantages of using plywood over solid wood. (4 marks)
During selection of timber for construction, the following defects were identified on pieces of timber:

(i)
(ii)
(iii)
(iv)
Twisting
springing
Bowing
Splits at end grains

(b) State the causes of each defect and propose preventive measures to put in place to avoid such

defects in future. (6 marks)
(c) State four factors that can modify the physical properties of wood. (4 marks)

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