Fret
Urukuta rw'icyuma rutandukanya utuzu tubiri ku ruziga.
Mu nteruro
Frets zigena uko agapiraibikoreshoAgapiraAgapira gato koherezwa mu nzira kerekeza mu cyerekezo kinyuranye n'icya rotor. Udupira tw'iki gihe dukozwe muri ivorine cyangwa Teflon, mm 18–21.Soma byose → gasimbuka iyo kageze kuri rotoribikoreshoRotorIgice cy'uruziga kizenguruka gitwaye utuzu.Soma byose →. Frets ngufi, zisanzwe ubu, zituma agapira katatana kurushaho.
Nyuma y'uko Jagger atsindiye ku nziga zibogamyelaboratwariUruziga rubogamyeUruziga rufite inenge z'umubiri zituma utuzu tumwe tugira amahirwe arenze 1/37. Ni gake, kandi rutahurwa gusa n'amazunguruka ibihumbi byanditswe.Soma byose → i Monte Carlo ahagana mu 1880, bivugwa ko kazino yaguze inziga nshya zifite inkuta zishobora kwimurwa.