A personnel elevator assembly is provided to enable a person to gain access to the elevated platform of a combine with the combine having a ladder assembly extending downwardly from the platform. A backbone is configured to engage an outer surface of the outer shell of the housing and includes a mounting structure that is configured to engage a boot. The granulated food product obtained from the grinding treatment of the packaged processed food is functionally suitable for re-use in food production lines and the packaging material fragments may be further recycled. For example, in one embodiment the inner barrier may be sealed or hermetically connected to the core at one or more seams.