Civilian Personnel: Classification and pay categories Staff Schedule (S) - Clerical, administrative, technical, and professional positions. Works Schedule (W) - Includes all recognized crafts and trades of unskilled, semi-skilled, or skilled manual-labor positions. Works Leader (WL) - Includes leader type positions which lead three or more crafts or trades or unskilled, semi-skilled, or skilled manual-labor positions. Works Supervisor (WS) - Includes positions with full supervisory responsibilities over W and WL positions. Works General Supervisor (WGS) - Includes positions with supervisory responsibility over other supervisors. Catering (C) - Includes food service positions and janitorial positions. Catering Leader (CL) - Includes leader type positions which lead three or more food service or janitorial positions. Catering Supervisor (CS) - Includes positions with full supervisory responsibilities over C and CL positions. Catering General Supervisor (CF) - Includes positions with supervisory responsibility over other supervisors. Retail (R) - Includes positions of which the primary duties are to perform work in the sale of food and retail merchandise.