|Abbreviation Examples||Surface Finishing|
|S1S||Smooth surface, one side|
|S1S1E||Smooth surface, one side, one end|
|S1S2E||Smooth surface, one side, two ends|
|S2S||Smooth surface, two sides|
|S2S1E||Smooth surface, two sides, one end|
|S2S2E||Smooth surface, two sides, two ends|
|S3S||Smooth surface, three sides|
|S3S1E||Smooth surface, three sides, one end|
|S3S2E||Smooth surface, three sides, two ends|
|S4S||Smooth surface, four sides|
|S4S1E||Smooth surface, four sides, one end|
|S4S2E||Smooth surface, four sides, two ends|
|R/E||Resawn (same as S1S or S1S2E)|
|R/O or R/S||Rough sawn (no smooth surfaces)|
|D & M||Dressed and matched|
|T & G||Tongue and grooved|
|EV1S||Edge vee on one side|
|S1E||Surfaced one edge|
Engineering related topics like Beaufort Wind Scale, CE-marking, drawing standards and more.
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Board feet is used as a volume measurement of lumber.
Common sizing of glue-laminated timber.
Species of hardwood vs. softwood.
Hardwood and softwood drill speed chart.
Sizing of hardwood lumber.
Calculate miter saw protractor angles for skirting and decorative mouldings work.
Grit sizes ranging 12 - 600.
Strength classes, bending stress and mean density of hardwood and softwood
Commercial softwood lumber dimension chart - nominal and actual sizes.
Rough lumber, surfaced lumber (dressed), worked lumber, shop and factory lumber and yard lumber.
Nominal and minimum-dressed lumber sizes.
ANSI/ASME B1.1 Unified National Thread - UNC Coarse series and UNF Fine series.
Hard wood and soft wood pilot holes, shank clearance holes and countersink diameters.
Densities of various wood species - apple, ash, cedar, elm and more.
Weight of green and air-dried fire wood.