Tinyere na otutu ebe, dị ka: "efu ntọhapụ" ngwọta maka ụlọ ọrụ mkpofu mmiri, evaporation na ịta maka usoro ụlọ ọrụ, nri gbaa ụka (aginomoto, citric acid, starch na sugar), ụlọ ahịa ọgwụ (omenala Chinese ọgwụ nkwadebe, ala okpomọkụ ịta nke Western nkà mmụta ọgwụ), ezi chemical (pesticide, sịntetik e ji esiji, organic pigmenti, ese), mmiri ọgwụ chlorine, ose, na coriander. Mmiri mmiri mmiri desalt na ụlọ ọrụ metallurgical, wdg.
1, Obere ike oriri, ala ọrụ na-eri
2, Obere oghere ọrụ
3, Na-achọ obere ụlọ ọrụ ọha na eze na obere ego ntinye ego
4, Stable ọrụ na elu ogo akpaaka
5, Achọghị isi uzuoku
6, Short njigide oge n'ihi ugboro ugboro na-eji otu mmetụta
7, Simple usoro, elu practicability, na magburu onwe ọrụ arụmọrụ na ụfọdụ ibu
8, Low ọrụ akwụ ụgwọ
9, nwere ike ịpụpụ na na n'okpuru 40 celsius na-enweghị ihe ọkụkụ ọ bụla refrigerating ya mere ọ dị mma maka ihe ndị nwere mmetụta okpomọkụ.