Specialized Clerical Experience: A. Two (2) years of progressively responsible typing and/or substantive clerical work which demonstrated possession of, in addition to the knowledge and abilities noted under General Clerical Experience above, knowledge of common office appliances and equipment and the ability to carry out procedures in clerical work systems and to perform secretarial (administrative assistant) tasks including, but not limited to, several of the following: serving as telephone and walk-in receptionist; maintaining a system of files; making travel arrangements; composing correspondence; obtaining and presenting information from files; routing correspondence; reviewing outgoing correspondence for format, grammar, spelling, punctuation and typographical errors; maintaining a log of pending work; and using computers and software applications (e.g., word processing, spreadsheet, databases, etc.). Supervisory Aptitude is the demonstration of aptitude or potential for performance of supervisory duties through successful completion of regular or special assignments which involve some supervisory responsibilities or aspects; by serving as a group or team leader, or in similar work which opportunities for demonstrating supervisory capabilities exist; by the completion of training courses in supervision accompanied by application of supervisory skills in work assignments; or by favorable appraisals by a supervisor indicating the possession of supervisory potential.