A unified solution system for organ andor tissue preservation andor hypothermic blood substitution can be used to prepare multiple solutions for use in various stages of organ procurement, preservation and transplantation and bloodless surgery procedures. The winglet has an airflow control arrangement, for example in the form of a trailing edge flap by means of which lift generated by the winglet can be varied. The dictionary storage unit stores a recognition dictionary including a recognition word and a priority of the recognition word.