Model GB 4-Tandem (2/2-Tandem) Bakin Karfe-Gudanar da Tsarin Bakin Karfe, waɗanda suke ci gaba da yin gwaji guda huɗu, don haka wasu nau'ikan ƙananan abubuwa suna da tsarin aiki. Lokacin zagaye, gaba da baya-baya na juyawa za'a iya tsara shi dangane da gilashin da aka nema. Za a iya ciyar da taga a cikin Drance.y leathers a cikin ƙananan tsari da nau'in fata na yin.
Wani muhimmin yanki na kayan aiki da yawa da yawa sosai a cikin tankalies, dillen dillen da ginannen haduwa da hadarurruka ko allon fata. Za a iya sarrafa fata a lokaci guda a cikin batura a cikin Drum. Lokacin da aka tura ta hanyar kaya ta juya, fata a cikin drum ɗin an gina shi don ci gaba da lanƙwasa, wanda ke hanzarta aiwatar da sinadarai, wanda ke haɓaka tsarin sinadaran da kuma canza kayan sunadarai na fata. Rangarorin aikace-aikacen suna rufe mafi yawan hanyoyin sarrafa rigar, da kuma bushewar laushi da kuma yuwuwar ruwa, da sauransu.
