Amashanyarazi ya Roller ni shyashya, umutekano, gukora neza no kuzigama ingufu, umuvuduko muke (munsi yumuvuduko usanzwe cyangwa umuvuduko muke) kandi urashobora gutanga ingufu zubushyuhe bwo hejuru bwitanura ryinganda zidasanzwe, hamwe namavuta yohereza ubushyuhe nkabatwara ubushyuhe, binyuze muri pompe yubushyuhe kugirango izenguruke itwara ubushyuhe, ihererekanyabubasha mubikoresho byubushyuhe.
Sisitemu yo gukwirakwiza ubushyuhe bwamashanyarazi igizwe nubushyuhe bwamashanyarazi, itanura ryamashyanyarazi, itanura ryubushyuhe (niba rihari), agasanduku gakorerwamo ibicuruzwa biturika, pompe yamavuta ashyushye, ikigega cyo kwagura, nibindi, bishobora kuba ikoreshwa gusa muguhuza amashanyarazi, imiyoboro yo gutumiza no kohereza hanze murwego rwo hagati hamwe namashanyarazi amwe.