Electric meters, porta-powers, air wrenches, fuel pumps, various hoses, lift cables and chains, hydraulic gauges, torque wrenches, torch and welding equipment, cleaning products and appropriate aids, ladders, tires, lights, wipers, various hand tools, gas, oil, and other fluids and equipment commonly used in the maintenance of conveyor systems, balers, forklifts, skid steer, electric motors, air compressors, strappers, hoppers. Candidates selected for employment must undergo (a.) a drug screening, in accordance with the City's drug and alcohol policy and (b.) a background screening to determine whether there is any current, pending, or previous charge, conviction or other infraction deemed incompatible with service in the capacity for which the candidate is being hired.