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  2. Wood splitting - Wikipedia

    en.wikipedia.org/wiki/Wood_splitting

    End grain sealers are liquid products usually containing wax which helps prevent rapid drying of the ends of lumber resulting in splits. Metal end plates or S-shaped pieces of metal may be driven into the butt ends of a timber. Splitting is the primary reason building codes do not allow notching in the bottom of joists and beams.

  3. Wood grain - Wikipedia

    en.wikipedia.org/wiki/Wood_grain

    Wood grain is the longitudinal arrangement of wood fibers [1] or the pattern resulting from such an arrangement. [2] R. Bruce Hoadley wrote that grain is a "confusingly versatile term" with numerous different uses, including the direction of the wood cells (e.g., straight grain, spiral grain), surface appearance or figure, growth-ring placement (e.g., vertical grain), plane of the cut (e.g ...

  4. Glossary of woodworking - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_woodworking

    On a table saw or router, cutting against the normal feed direction at the end of the cut to prevent tearout. close grain Any wood grain with very fine fibers of cells that are not visibly porous. compass saw conversion The reduction of a whole log into pieces suitable for working. Conversion can be done in three basic ways: sawn, hewn, or ...

  5. Grading (earthworks) - Wikipedia

    en.wikipedia.org/wiki/Grading_(earthworks)

    Section through railway track and foundation showing the sub-grade. Grading in civil engineering and landscape architectural construction is the work of ensuring a level base, or one with a specified slope, [1] for a construction work such as a foundation, the base course for a road or a railway, or landscape and garden improvements, or surface drainage.

  6. Wood finishing - Wikipedia

    en.wikipedia.org/wiki/Wood_finishing

    Conversely, sanding scratches are more easily seen in finer grained, harder woods and also end-grain, and hence, they require finer sandpaper (220 grit) during the final sanding stage. [19] The sandpaper selected for the final sanding stage affects the colour of stained wood, and therefore when staining is part of finishing avoid sanding the ...

  7. Joinery - Wikipedia

    en.wikipedia.org/wiki/Joinery

    This is the simplest and weakest joint. Of those, there is the a) T-butt, b) end-to-end butt, c) Miter butt and d) edge-to-edge butt. Lap joint: The end of a piece of wood is laid over and connected to another piece of wood. Due to a large surface area of long-grain to long-grain wood and glue surface coverage, this is a very strong joint. [10]

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  9. Sieve analysis - Wikipedia

    en.wikipedia.org/wiki/Sieve_analysis

    A sieve analysis (or gradation test) is a practice or procedure used in geology, civil engineering, [1] and chemical engineering [2] to assess the particle size distribution (also called gradation) of a granular material by allowing the material to pass through a series of sieves of progressively smaller mesh size and weighing the amount of material that is stopped by each sieve as a fraction ...