Amathuluzi asetshenziswa ukuphatha nokulawula izilwane angasiza abalimi ukuphatha kangcono impilo nokuziphatha kwezilwane. Ukukhethwa kanye nokusetshenziswa kwamathuluzi okulawula izilwane kudingeka kunqunywe ngokuhambisana nohlobo, isikali kanye nezici zezilwane ezifuywayo, futhi izidingo zenhlalakahle yezilwane nokuvikelwa kwemvelo nazo kufanele zibhekwe. Ukusebenzisa ngokugcwele la mathuluzi kungathuthukisa ukusebenza kahle kokulima, kunciphise izingozi, futhi kuthuthukise ukunemba nokunemba kokuphathwa kokulima.