Ripple Handwheel Bifitanye isano

Ibikoresho: resin ya fenolike (bakelite)
Koresha: bikurikizwa muburyo bwose bwimashini nibikoresho bikora
Ibiranga: kurabagirana birakomeye, imiterere myiza, ikiganza kirashobora gukubwa, kurwanya ubushyuhe bwinshi, kwihanganira, amavuta nindi miti, kuvura hejuru yibyuma birwanya - ingese, kubisanzwe, no koroshya kwishyiriraho.