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A ply is a layer of material which has been combined with other layers in order to provide strength. The number of layers is indicated by prefixing a number, for example 4-ply, indicating material composed of 4 layers.
Plywood is a composite material manufactured from thin layers, or "plies", of wood veneer that have been stacked and glued together. It is an engineered wood from the ...
ply which identifies the file as a PLY file. The second line indicates which variation of the PLY format this is. It should be one of the following: format ascii 1.0 format binary_little_endian 1.0 format binary_big_endian 1.0 Future versions of the standard will change the revision number at the end - but 1.0 is the only version currently in use.
The word "ply" used as a synonym for "layer" goes back to the 15th century. [2] Arthur Samuel first used the term in its game-theoretic sense in his seminal paper on machine learning in checkers in 1959, [ 3 ] but with a slightly different meaning: the "ply", in Samuel's terminology, is actually the depth of analysis ("Certain expressions were ...
Plywood consists of three or more layers of veneer. Normally, each is glued with its grain at right angles to adjacent layers for strength. Veneer beading is a thin layer of decorative edging placed around objects, such as jewelry boxes. Veneer is also used to replace decorative papers in wood veneer high pressure laminate.
Molded plywood is the term for two- or three-dimensionally shaped products from multiple veneer layers that are glued together through heat and pressure in a pressing ...
It does not follow that it is a structural plywood. WBP Glue Line-- BS 1088 plywood must use an adhesive, which has been proven to be highly resistant to weather, micro-organisms, cold and boiling water, steam and dry heat. The product's bonding must pass a series of British Standard tests.
The number of wraps will act as a gauge to assess the thickness of unmarked yarn; for example 12 wraps per inch is 12 WPI, and is used to calculate how much yarn is required for various articles, [3] so that 12 is equivalent to 8 ply (worsted weight, medium weight) yarn.