Cabinet modules are readily attached and removed from selected attachment parts on a vertical support to provide customized portable storage and instrument mounting. The container comprises an inner layer that comes into direct contact with content during its storage, an outer layer laid over the inner layer, and a translucent protective layer laid over the outer layer. Wires may connect to an annular coil. A steering mechanism permits a user to steer the floating machine with hisher hands. The bi-directional optical component has the same IO ports as the basic 1N optical component, but the bi-directional IO ports are built to engage a duplex optical link.