Ọmarịcha mma n'isi, etiti na mbubreyo, ma e jiri ya tụnyere obere polymer wax, ọ nwere akụrụngwa rheological ka mma yana uru bara uru.
Asambodo
FDA, REACH, ROSH, ISO na asambodo ndị ọzọ akwadoro ngwaahịa a, kwekọrọ n'ụkpụrụ mba.
Uru Kwa afọ anyị na-aga gburugburu ụwa isonye na nnukwu ihe ngosi dị iche iche, ị nwere ike izute anyị na ihe ngosi ọ bụla nke ụlọ na nke mba ọzọ. Na-atụ anya izute gị!