Hanke was the operator of an ice-resurfacing machine and was filling it with water when an explosion injured him. The water tank and the gasoline tank were similar and located in close proximity and he made the mistake of filling the gasoline tank with water from a hose. When the water filled the tank, the gasoline escaped and an overhead heater ignited the resulting fumes. He sued the manufacturer and distributor of the machine for negligence. Explain the arguments available on both sides and the likely outcome including the calculation of damages, if appropriate. Would it make any difference to your answer to know that Hanke testified that the two tanks did not confuse him?