Using tools, equipment and materials used in working on aircraft including, but not limited to, hydraulic and mechanical jacks, aircraft scales, electrical and/or mechanical drill motors and rivet guns, electrical multi-meters, spray paint, solvents, anti-corrosion or other liquid chemical pressure-activated guns, wands, nozzles, oxygen/acetylene equipment, powered sanders, saws, grinding wheels, magneto timing lights, differential pressure gauges, spark-plug cleaning and gapping equipment, aircraft tugs, engine hoists and battery carts. Through the Public Service Loan Forgiveness program, full-time employees working at the College may qualify for forgiveness of the remaining balance on Direct Loans after 120 qualifying monthly payments under a qualifying repayment plan.