The sortable material is damp and has a composition that changes with the seasons, presenting the sorting firm with a real challenge.

The sortable material is damp and has a composition that changes with the seasons, presenting the sorting firm with a real challenge.

The sortable material is damp and has a composition that changes with the seasons, presenting the sorting firm with a real challenge.

The sortable material is damp and has a composition that
changes with the seasons, presenting the sorting firm
with a real challenge.