Iizitshalo nesembozo yenziwe ngendwangu ekhethekile eqinile engalukiwe. Ngenxa yezinto ezikhethekile, ingavimbela ukudabula okungcono kunempahla evamile. Ikhava yesithwathwa yezitshalo ingavikela izitshalo zakho kusithwathwa, iqhwa, umoya, uthuli nemisebe ye-ultraviolet, futhi yenze izitshalo zakho zikhule zinempilo. Ngokuvamile isetshenziselwa ukunweba inkathi yokukhula entwasahlobo nasekwindla.