IMarike ePhambili: Ubunjineli bokuhombisa obuphezulu, umhombiso wangaphakathi kunye nokulungiswa kwamatye.
Iimbonakalo:
I.Viscosity ephezulu
II.Intlama egudileyo
III.Ukomisa ngokukhawuleza
IV.Umhlophe ococekileyo, ongenancasa, isantya sokunyanga ngokukhawuleza kunye nokuchasana nokuguga.