]The ịgba ihicha bụ technology ọtụtụ-eji mmiri mmiri technology shaping na na ihicha ụlọ ọrụ. The ihicha technology bụ kacha adabara amị ntụ ntụ, urughuru ma ọ bụ gbochie siri ike na ngwaahịa si ihe, dị ka: solution, emulsion, soliquoid na pumpable tapawa na-ekwu. N'ihi nke a, mgbe na urughuru size na nkesa nke ikpeazụ ngwaahịa, ha mmapụta mmiri ọdịnaya, ndị stacking njupụta na urughuru udi ga izute nkenke ọkọlọtọ, na ịgba ihicha bụ otu n'ime ndị kasị chọrọ teknụzụ.