woods

we use maufactured board rather than wood because
wood may still be moisture
widely avalable
comes in multiple of 3mm
1.24 high 2.44wide
woods can be madestronger by placing grains in different ways.

MDF
medium density fiberboard
HDF
high dencity fiberboard
made by wood chippings an adehsive. being compresed
hard to cut and blunt the blade.

Chipboard
used in kitchens
usually a coating is aplied to top to make it look good
cost affective

Blockboard
wood sandwiched between two vaners

Aeroply
used arcraft expensive

Maplex
new type of mdf used in furniture
easy to machine

Plywood

Slice venering making vaners of wood

Types of finishing
most woods need protection especally for another use

vital always say a product is finished
type are
Polyurethane varnish most common type protect surface
Wood satain color dosent protect wood so you need to apply protective coat affter
Oils rubbed in the maintain natural apperance
Preso
Paint color protect wood
injecting a wood with tanalise.
this is why some wood look green
only inject 5mm all edges of the wood
called tanaliseing
protects wood 4 times as long