(4) Other details: such as whether the centrifugal operation is simple, whether the maintenance is convenient, whether the design is outdated, and whether the wearing of the consumables is convenient.
(4) Eminye imininingwane: njengokuthi ukusebenza kwe-centrifugal kulula, noma ngabe ukugcinwa kulula, noma ngabe idizayini iphelelwe yisikhathi, noma ngabe ukunikezwa kwezingxenye ezigqokile kulula yini, njll.