I-FF25 kwi-FF ye-FF ye-FF ye-FF ye-FRE i-Inter engaphandle, umsebenzisi ujongene ne-switled stack yemfihlo yemfihlo. Isikhundla sokuqala esisebenzayo esisebenzayo kunye nesikhundla sokubuyela umva kwakhona kwintuthuzelo kunye nokuzinza kuzisa amava amnandi phakathi komsebenzisi kunye nezixhobo.
Ngobuso obuncinci, umsebenzisi ujika ubuye emhlabeni ukuze ajongene ne-stacki efihliweyo ngokupheleleyo.
I-pushion yesikhumba, ukuguquka komoya, ukuthuka, intuthuzelo kunye ne-anti-skud.
Ithagethi ye-gesical kwaye ingqine ikwenza kube lula ukubaqeqesha kwaye bafunde. Uhlengahlengiso lwesihlalo sokulinganisa ifuna kuphela ukuphakamisa ukukhulula i-lever. Izibambo zibandakanya imikhono yerabha enganyangekiyo ye-slip ene-calloy yokuphela kwe-alloy. Amanqaku ohlengahlengiso agxininiswa ngombala ohlukileyo ukuze usebenzise lula.