Ana amfani da injin mai narkewa mai zafi don narke EPS, EPP, kayan epe. Ya ƙunshi raka'a uku: hoppp, Crusder, da kuma sassautan sassa. Abu ne mai sauki ga mutane su ciyar da kayan cikin godiya ga sabon salo na hopper. Bayan ciyarwa, ruwan wukake na murkushe zai murkushe babban scrap. A kan berel, akwai heater guda biyu don narke kayan.