viii.    To put in a bag opening and mail sorting into delivery boxes;ix.    To label, tying and sealing of bags other than registered enclosure bags;x.    To face and date stamping of letter mails;xi.    To make presentation of Postal articles for customer examination;xii.    To assemble and post of registered delivery receipts and parcel delivery advices;xiii.    To receive letters and parcels, and place mail into bags;xiv.    To sort and bag bulk mail, tags and marks mail bags, and completes the postal forms required;xv.    To sort incoming mail by route and prepares for delivery;xvi.    To weigh, rate, classify, and affix postage to outgoing mail from units of a university, enters postage charges on mail statements and inputs this data utilizing a computerized batch billing system to charge back postage charges to the using departments; andxvii.    To perform any other duties as may be assigned by the supervisor.