An apparatus and method may comprise a platform, a rotatable structure on the platform, an arm associated with the platform, and an interface associated with the arm. The structure may be configured to hold a number of tanks. The arm may be configured to move about a plurality of axes. The interface may be configured to connect to a tank in the number of tanks. The arm may be configured to move the tank about the plurality of axes when the interface is connected to the tank.
David Delany (1967-1971), Tom Woods (1959-1967), Nancy Wilson (1957-1964), William Neal (1981-1985), Abby Upscale (1987-1991), William Neal (1983-1987)