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...oken off or fall off. Subsequent growth of wood may completely conceal the stubs which will however remain as knots. No matter how smooth and clear a log is ...[Engineered wood]] products are becoming a bigger part of the construction industry. They may be used in both residential and commercial buildings as structura

...filter]]s can be brought to bear. The equivalents of [[stub (electronics)|stubs]] and [[quarter wave impedance transformer|impedance transformers]] are bot ...mponents to manufacture by much the same methods used by the semiconductor industry; masking, [[photolithography]] and etching, with a final undercutting etch