I-1. Ukugcinwa kwexesha elide emoyeni kulula ukuyinyanzela kwaye umbala uba mnyama, ngenkani. Inomphunga otyhafileyo kwaye uyacaphukisa ulusu. Iyatshintshwa kwimeko yedangatye elivulekileyo kunye nobushushu obuphezulu.
I-2. Ityhefu, ngakumbi iimveliso ezihlaziyiweyo ngokungapheliyo ezixutywe ne-diphenylamine, ziya kuba yityhefu ukuba zingeniswe okanye ziphefumlelwe. Le mveliso inokuthathwa lulusu, kubangele i-allergies yolusu, i-dermatitis, i-inclolotion ye-conjunctiva kunye ne-Conneines, i-Pornea, kwaye ibangele i-hemoney ye-anelys, i-TechyCardia. Abanini zithuthi kufuneka banxibe igiya yokukhusela. Abo bayithathile ngempazamo kufuneka babe ne-gestric bavage kwangoko ukuze kufunyaniswe isifo kunye nonyango.