Commercial products of timber

Timber is sold in the market in the following forms:

1. Logs: felled, trimmed trunks of trees, with branches removed.
2. Baulk: log roughly squared by axe or saw, with sides larger than about 200 mm.
3. Plank: sawn timber 50-150 mm thick and more than 100 mm wide.
4. Board: sawn timber with thickness less than 50 mm and width over 100 mm.
5. Battens: sawn pieces up to 50 mm thick and 50-200 mm wide.
6. Scantling: sawn pieces of small square cross-section, with sides of about 50-150 mm.
7. Poles/Posts: round, slender trunks used for scaffolding and electric lines.
8. Veneers: thin sheets of 0.4 to 6 mm cut by peeling/slicing.
9. Plywood: layers of veneer glued with grains at right angles.
10. Fibre board, particle board (chipboard), block board, laminated board, hardboard, and MDF.
11. Sawdust, wood wool, bark and cork as by-products.