Unload tank cars (railcars) - verify rail spot, check paperwork, connect hoses, open man way hatch, verify hose connections, operate valves, record meter readings, change unloading filters, monitor unloading process. Load tank trucks - spot trucks, check paperwork and truck cleanliness, operate loading ramp, open truck man way hatch, make hose connections, operate valves, record meter readings, change loading filters, monitor loading process.