H:/jll/lntenvoven/NRPortbl/DCC/JLL/506875II.DOC-1 1/04/2013 Abstract A refrigerator unit including: a plurality of compartments that each have a first section that is cooled to a first temperature range, and a second section that is cooled to a second temperature range that is lower than the first temperature range; and a plurality of lockable doors that each close onto both an opening to the first section and an opening to the second section of one of the compartments.