Printed signatures have fold marks, indicated by broken lines, that are used to set up the folder are said to be

In book binding, the knife fold principle in folding is known as 

In ------------ type of index cutting, half-moon cuts are made into the book.

The three edges decorated in edge decoration of a book are

------------- part of the wire stitching machine closes the stitch.

The process of checking the gathered sections of a book for correctness