Drum rine sisitimu yemagetsi inodziya & inotenderera yakavharwa, iyo inopisa uye inotenderedza mvura iri mukati medrum kuitira kuti mhinduro iri mudrum ipiswe uye yozobatwa patembiricha iyoyo. Ichi ndicho chinhu chakakosha chinosiyana nedzimwe drum dzinodzora tembiricha. Muviri wedrum une mukana wekuva nechimiro chakanaka zvekuti unogona kucheneswa zvakanaka pasina mhinduro yasara, nokudaro uchibvisa chero chiitiko chekudhaya kana ruvara. Gonhi redrum rinoitwa nekukurumidza rine chiedza uye rinonzwa mukushanda kwekuvhura nekuvhara pamwe nekushanda kwakanaka kwekuvhara. Plate remusuwo rakagadzirwa nekushanda kwepamusoro uye girazi rakajeka, rinopisa zvakanyanya uye rinodzivirira ngura kuitira kuti mushandi agone kuona mamiriro ekugadzirisa nenguva.
Muviri wedhiramu nefuremu yaro zvakagadzirwa nesimbi isingatsvi ine chitarisiko chakanaka. Chidziviriro chinopihwa kudhiramu kuitira kuti rishande zvakanaka uye rakachengeteka.
Sisitimu yekutyaira isystem yekutyaira yebhandi (kana cheni) ine frequency converter yekudzora kumhanya.
Sisitimu yekudzora magetsi inodzora mashandiro emuviri wedhiramu mberi, kumashure, painchi & painti, pamwe nekushanda kwenguva uye kudzora tembiricha.