XIYE ṣe iṣapeye imọ-ẹrọ ileru ina mọnamọna, ati gba iwọntunwọnsi ti o dara julọ lati awọn ohun elo aise, iṣaju aloku, itọju agbara, aabo ayika, iṣakoso ilana, iṣakoso adaṣe, ọmọ didan, agbara, ati bẹbẹ lọ.
Awọn ohun elo wọnyi jẹ ayika, ikore giga, ṣiṣe giga, lilo irọrun ti awọn idiyele oriṣiriṣi lati ṣe agbejade irin pataki.