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IIA
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Cards (6)
parts of wood
A)
heartwood
B)
pith
C)
ray
D)
early wood
E)
late wood
F)
growth ring
G)
sap wood
H)
vascular cambium
I)
outer bark
J)
inner bark
K)
secondary ploem
L)
cork cambium
12
Bastard sawing-
cutting the logs entirely through the diameter a
parallel cord tangential
to the annual rings.
Rift
Sawing
- divided into four methods;
radial
methods
,
tangential
method
,
quarter
tangential
, and
combined
radial
and tangential.
Natural
or
Air Seasoning-
considered as one of the best methods in seasoning lumber although the period involved is longer than the artificial method.
Artificial
Seasoning-
method adopted for quick drying of the wood such as forced air drying, kiln drying and radio frequency dielectric drying.
Veneer
and
plywood-
are made of 3, 4, 7 or more veneer slice that are laid upon the other.