en:The process of shaping a ridge or shoulder … en:The process of shaping a ridge or shoulder on each side of the spine of a text block prior to the application of the spine lining material. The backs of the sewn sections or leaves are bent over from the center to the left and right until shoulders are formed against which the boards will fit. formed against which the boards will fit. +
Language code"Language code" is a predefined property that represents a BCP47 formatted language code and is provided by Semantic MediaWiki.
