Ability to: deal with problems involving several variables within familiar context; define problems, collect data, establish facts, and draw valid conclusions; determine material and equipment needs; calculate fractions, decimals, and percentages; compile and prepare reports; use proper research methods to gather data; understand a variety of written and/or verbal communications; prepare accurate documentation; maintain records according to established procedures; effectively interact with personnel and public to answer routine questions; train or instruct others; move quickly and effectively from one task to another; work independently and in a team environment; develop and maintain effective working relationships. Light: work involves exerting up to 20 pounds of force occasionally, or up to 10 pounds of force frequently, or a negligible amount of force constantly to move objects, requiring: (1) walking or standing to a significant degree; (2) sitting most of the time while pushing or pulling arm or leg controls; or (3) working at a production rate pace while constantly pushing or pulling materials even though the weight or the materials is negligible.