Applies to commercial printing. May include typesetting, linotyping, electrotyping, monotyping, stereotyping, transferring of photocopy to metal plates, press operations, perforating, folding and incidental cutting, collating, thread or wire stitching, incidental binding. Contemplates the mfg. of playing cards, rubber stamps. Artists, designers, proofreaders, editors or clerical office employees to be separately rated as 8810. Reporters, advertising or circulation solicitors to be separately rated as 8742. Refer to code 4307 for book binding, code 4352 for engraving, code 4304 for newspaper publishing, code 4351 for photoengraving, code 8015 for quick print shops. Code 4299 not applicable when the printing operations are a General Inclusion.