Güter, die nie oder nur sehr selten Gegenstand des internationalen Handels sind, z. B. schwere oder verderbliche Güter, erscheinen u. U. auf einer unzureichenden Gliederungsebene. ###>If the elements of the central product classification were based on the elementary items of HS, products which are never or only occasionally traded internationally, such as heavy or perishable goods, might not be shown at an adequate level of detail.