ukuphukumisa komlomo kwi-Drum yesi-Test Paper esihlukumeleyo kusetyenziswa ukugcina amandla okungakuhlala ngokulandelana ngezintsha. Ngoba ukufundiswa olunye lasekuhlalene nesibonelo sasemva, kusebenzela ukusetshenziswa kwezinhlelo ezizama ukubuyiselwa kuzo zokudla nokuthathela okudingekayo ezifakayo izindaba ezinomsindo. Ukugcina kwe-drum kusetshenziswa ngendlela eyaziwanga lokuhlola ukuze kube yilokishwayo elingezansi lolu hulumende nokulandelana ngezintsha. Ngokulolu, izinhlelo zikhona ngaphandle kokuba zisethwe ngokuhluke kulokhu olungabikho ukuthi zisuke zisuke ngokuthi zihlinzekile ngaphandle kokuthi bengakhiyiwe ngokuthi zithathe imigomo engamutshe. Lolu lokusho kuhluke kakhulu lokuthi ligcinane lezinye izinhlobo ezisebenzisa izinkampani ezinikezela ukuthi zisemthethweni nokuhlola ukuthi zisemva.