Kumangatho okuyingqanawa, uphawu lwezitya ezisebenziswayo ungaphumelela kakhulu. Izitya zokuphawana ezibizwa ngokwesikhatsi zikhona ngokulandelana nobungakho, ubuthongi, kunye nokusetyenziswa ngenkathi yomphathi. Iziphawu zakethu zihlukile amafomula amancane we rubber kunye nezinyezi ezinamandla ezifundekayo ukusuka ngokubhekene nendaweni yokugcwalisa kunye nokuphawuliwa ngokushaya. Ngaphandle kokuba ungenhloko okanye umntu omncane, iziphawu zakethu zizoba kukhlisele ukuya kucontrol elithetha lokusebenza kakhulu kwindawo yokuphawula.