Insimbi engenasici, isitsha esingafakwanga ngci sesikwele noma isiyingi esinqamulayo esinendawo engezansi (enokuthambekela okungama-60 °) kanye nevolumu engu-2.9 m3 (cishe i-1600 kg yemithombo). Isetshenziswa njengesiqukathi sesitoreji sesikhashana senqwaba eyodwa yemithombo okusanhlamvu egayiwe ebekwe ngqo ngaphansi komshini wemithombo yemithombo. I-hopper isebenza ekuthambekeni kancane kancane kwemithombo ku-conveyor isikulufu ngaphambi kokuyiswa kwayo kumshini wokwenza i-wort.