Iindlela zakusetyenziswa:
Innova ukubuyiswa kwehandle yenkululeko, ngezinye izinto zokuthumela, kulayisha kunye nokugqiba, kufuneka ukuphatha igolide nezinto ezinikamene. Ukulayisha kwakhumbuzi kunye nokuthuthukiswa kwi-contrast medium ngephutha lehandle. Ikhetha iimaterial amandla, ukusure ukuthi isibhedele sithole ngaso esikhatsini sokushintsha amathuba. Ukubuyisela akhawunyazi, ungakwenza imilingo eziqhakameni.