Umshini wamandla wochungechunge lwe-F, i-F25 umshini owodwa wokuqina we-Dual station, okungukuthi ukuqeqesha imisipha ye-Abductor ne-Adductor emshinini owodwa owodwa. I-Inner / Ithanga Langaphandle lifaka indawo yokuqala okulula ukuyilungisa kokubili kwangaphakathi nangaphandle kwethanga. Amaphedi ethanga e-pivoting ama-engeli ukuze akhululeke ngesikhathi sokujima. Izikhonkwane zezinyawo ezimbili zithatha izinhlobo eziningi zokujima. Abavivinya umzimba bangakwazi ukubandakanya kalula isisindo sokwengeza ngokucindezela okulula kwe-lever ukwandisa umthwalo womsebenzi.