A spill-proof pour spout for transferring fluid from a container to a vessel comprising a base having an inner sleeve extending outwardly therefrom, a conduit member located in the inner sleeve, and an outer sleeve slidingly engaging the inner sleeve. The power supply system comprises a first power grid section coupled to a generator configured to generate electric power and further coupled to an electrically powered active heave compensator. A measurement device acquires measurement signals indicating movement of the control element from the initial condition. The BR memory is configured to store additional error correction data associated with the data value, where the BR memory corresponds to a volatile memory device.