Isi ihe e ji eme ya bụ imepụta ngwaahịa dịka ihe nkiri ugbo, ihe nkiri mkpuchi ala, ihe nkiri griinhaus akwụkwọ nri, wdg. ihe nkiri nkwakọ ngwaahịa dịka swiit, akwụkwọ nri. Nri ffozen. wdg. ihe nkiri a na-afụ ụfụ maka nkwakọ ngwaahịa mmiri ara ehi (mmiri ara ehi, ihendori soy. ihe ọṅụṅụ. tolu). Sormilk), ihe nkiri nkwakọ ngwaahịa dị arọ, ihe nkiri elastic, ihe nkiri ining, ihe nkiri owuwu, ihe nkiri ụlọ ọrụ na akpa nri, wdg.