has maximum capacity has actual load has function measurement datum contain function container 03/21/2010: Added to allow classification of children (similar to what we want to do for 'measurement device'. Lookint at what classifies here, we may want to reconsider a contain function assigned to a part of an entity is necessarily also a function of the whole (e.g. is a centrifuge a container because it has test tubes as parts?) A device that can be used to restrict the location of material entities over time container PERSON: Bjoern Peters device metadata incomplete