Njengomenzi wezemishini othembekile othembekile wokuhlunga, uRuijie uhlinzeka ngohlu oluphelele lwezixazululo - ukwahlukana kazibuthe, ukuhlolwa, ukudlulisela, ukucindezela imishini yokuhlunga, nokuhlomula kwemfucuza ephansi, nokuhlomula kwemfucuza yamaminerali ukuthuthukisa ukusebenza kwakho kabusha.
I-Trommel Screen iyimishini esetshenziswa kabanzi kakhulu ekuhlunga ubuchwepheshe, elawula ukuhlunga kukadoti ngosayizi wezinhlayiyana, futhi inokunemba okuphezulu.
Imishini yesikrini ye-Trommel isetshenziswa kabanzi kumandla kagesi, izimayini, metallurgy, izinto zokwakha, amakhemikhali kanye nokukhohlisa r Izimboni Zokukhiqiza.