Zomwezo ndi maupangiri amtundu wa roller kupatula kunyamula katundu wokwera kuchokera mbali zonse ndi kukhazikika kwakukulu, komanso kutengera SynchMotion.TMcholumikizira luso, akhoza kuchepetsa phokoso, anagubuduza kukaniza mikangano, kusintha ntchito yosalala ndi kutalikitsa moyo utumiki. Chifukwa chake mndandanda wa PQR uli ndi ntchito zambiri zamafakitale, zoyenera kwa mafakitale omwe amafunikira kuthamanga kwambiri, chete komanso kusasunthika kwakukulu.