Specialized experience includes: Experience where you applied knowledge of quantity food service operations, proper nutrition, food items and appropriate quantities; working with clients, patients, and/or, customers to assess their needs, provide information or assistance, resolve their problems, or satisfy their expectations; use computers, software applications, databases, and automated systems to accomplish work. The following will be communicated to applicants for VA employment in a testing designated position and will also be included in all VA vacancy announcements for such positions: All applicants tentatively selected for VA employment in a testing designated position are subject to urinalysis to screen for illegal drugs use prior to appointment.