Collect money from patrons at a gas station. Dispense change. Fill up gas tanks if asked. Dispense lottery tickets. Collect and dispose of trash outside. Provide customers with receipts. Charge purchases to customers' credit cards. Activate fuel pumps. Wash windshields and check fluid levels and air pressure in tires. Clean gas station bathrooms. Count money in cash drawers. Operate price scanners. Sweep and mop floors.