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Nri nri PETRI
Njirimara ngwaahịa
1.Iji 100% mbụ nkwakọ ngwaahịa ebubata plastic.
2.Uniform ọkpụrụkpụ, ọ dịghị distortion na ala.
3. The okirikiri protrusion na mkpuchi na-ejikọta chiri anya na ala, na-eme ka nchekwa nchekwa na ibelata ọkara evaporation.
4.Surface ọgwụgwọ na enweghị ọgwụgwọ nhọrọ abụọ dị.
