16 manually-operated machines; namely, machines for writing checks, machines for signing checks, machines for writing and protecting checks, machines for writing, signing, and protecting checks, and ink ribbon cartridge assemblies, ink ribbon spool assemblies, and ink roller assemblies for such machines; and electrically-operated machines; namely, [ machines for signing and imprinting checks, letters, and documents, machines for signing and imprinting continuous-form checks, letters, and documents, machines for signing, slitting, and separating continuous-form checks, letters, and documents, ink ribbon spool assemblies and ink roller assemblies for such machines, machines for slitting and separating continuous-form computer and word processor forms, checks, letters, and documents and stands, tables, stacker assemblies, and exit trays therefor, machines for shredding paper, and stands therefor, decollators, and letter openers]