1. Likotoana tsa PDC li na le lebelo la ho cheka ka potlako ka mokhoa o bonolo le o mahareng o entsoeng ka majoe a thata;2. Re fana ka PDC bit le 75mm, 94mm, 113mm, 133mm, 153mm, 175mm; 3. Re amohela odara ea mohlala mme re amohela litšebeletso tse ikhethileng.