Tongue and groove is a method of fitting similar objects together, edge to edge, used mainly with wood, in flooring, parquetry, panelling, and similar constructions. A strong joint, it allows two flat pieces to be joined strongly together to make a single flat surface.
Tongue and groove is a method of fitting similar objects together, edge to edge, used mainly with wood, in flooring, parquetry, panelling, and similar constructions. A strong joint, it allows two flat pieces to be joined strongly together to make a single flat surface.
Source: Wikipedia "Tongue and groove" · CC BY-SA 4.0
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