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timbers and manufactured boards - Coggle Diagram
timbers and manufactured boards
use wood material but go through a process to make into sheets
much more stable
will not warp and bend
Plywood
layers of veneer (plies)
layers are glued together at 90 degrees
odd number of layers
(MDF) medium density fibreboard
made from fine particles of timber - mixed with a resin
comes in large sheets - different thicknesses.
used for furniture
safety hazard - dust produced when cutting is harmful
blockboard
Strips of softwood glued together and faced with hard board on the outside
very stable - used for worktops andf shelves
hard board
Wood particles - mixed with resin
Like MDF but more dense
Used for drawer bottoms / tool walls etc
chipboard
larger particles of timber - mixed with resin
used for boarding - construction
