Mail processing equipment, namely, machines for printing postage and postmarks on mail for commercial use; mailing machines, namely, electronic machines for paper folding, and envelope stuffing and sealing; mail stacking machines; postage metering machines, namely, machines for printing metered postage for commercial use; postage canceling machines, namely, printing machines for commercial postage use; tax stamping machines, namely, automatic stamping machines; signature and check signing machines, namely, machines for printing signatures for commercial use; paper-folding machines, namely, machines for folding mail for industrial use; collating and sorting machines, namely, machines for collating mail; printing machines; address printing machines and plates therefor for industrial use; envelope inserting machines; envelope opening machines; inking applicators and ink rollers, namely, inking apparatus for printing blocks and printing rollers; stitching and stapling machines; marking machines, namely, industrial electromechanical marking machines; sheet folding machines, namely, industrial paper folding machines; envelope-stuffing machines; envelope sealing machines, namely, industrial machines for sealing packaging envelopes; article stacking machines; mail inserting systems, namely, primarily an envelope feeding and industrial sealing machine, and also including a scanner and electronic control panel for scanning images, tracking job processing and performance and creating job set-up; envelope handling, inserting, folding and sorting machines, namely, envelope stuffing and inserting machines; parts and fittings for all the aforesaid goods, namely, printing rollers, feeders, and stackers