What is 'plastics conditioning'?

The technology 'plastics conditioning' means (see remarks given for this technology by using the […] box beside the field 'Technology used', see user manual - reporter level, point 2.5.2.7.):
- pre-cutting / further separation / cleaning of plastics from dismantling or mechanical separation processes to achieve pre-sorted, cleaned = 'conditioned' plastics fractions ('defined quality classes') for further separation (additional/next step plastics conditioning) or 'final processes'
! there will all the time be some % of residues from separation