by Sunday | Oct 4 | NABTEB QUESTIONS
Reasons, why timber must be seasoned, are: (i) Further shrinkage, checking and distortion are reduced to a minimum (ii) Conditions are less favourable for decay, mould stains and some insect attack, (iii) The timber is lighter in weight, more economical to handle...
by Sunday | Oct 4 | NABTEB QUESTIONS
Seasoning is the drying-out of most of the moisture from the wood, so that the timber is conditioned before use.
by Sunday | Oct 4 | NABTEB QUESTIONS
The stout heart plywood is different from the ordinary three-ply in that the stout heart has its inner core thicker than the three-ply.
by Sunday | Oct 4 | NABTEB QUESTIONS
(i) – Sawing (ii) – Rotary cutting or peel (iii) – Half or semi-rotary (iv) – Slice cutting
by Sunday | Oct 4 | NABTEB QUESTIONS
(i) Power drill (ii) Power saws (iii) Jigsaws (iv) Portable senders (v) Power planes (vi) Portable Router
by Sunday | Oct 4 | NABTEB QUESTIONS
(i) Cross-cutting (ii) Grooving (iii) Trenching (iv) Cutting miters (v) Rebating