by Sunday | Oct 4 | NABTEB QUESTIONS
Face plate turning is fixed permanently and it hold the item to be turned while turning between centres refers the action of moving items being turned on the lathe machine
by Sunday | Oct 4 | NABTEB QUESTIONS
(i) knife cutting (ii) rotary cutting (iii) saw cut (i) Knife cutting: A squared log is fastened to a machine bed. As the bed moves up and down, a sharp knife slices off the veneers’ grain and figure patterns. They are used as the face veneer. (ii) Rotary...
by Sunday | Oct 4 | NABTEB QUESTIONS
Veneer is a thin layer or sheet sliced from wood and is usually of uniform thickness.
by Sunday | Oct 4 | NABTEB QUESTIONS
(i) Application by hand brush/spray gun. (ii) By dipping (iii) By steeping (i) Application by hand brush/spray gun preservatives is commonly applied by brush and spray gun. The preservatives should be liberally applied and any shakes or cracks in the surface should be...
by Sunday | Oct 4 | NABTEB QUESTIONS
The term “preservation of timber” is any treatment given to timber by the use of the various preservatives to prolong the life span of the timber against destructive agents like termites, wood pests, borers etc.
by Sunday | Oct 4 | NABTEB QUESTIONS
Conversion of timber: The term conversion of timber is the breaking down or sawing up of logs into commercial sizes.