YY747A ụdị nkata nkata asatọ bụ ngwaahịa nkwalite nke YY802A oven nkata nkata asatọ, nke a na-eji mee ngwa ngwa nke iweghachi mmiri nke owu, ajị anụ, silk, eriri kemịkalụ na akwa ndị ọzọ na ngwaahịa emechara;Nnwale nlọghachi otu mmiri na-ewe naanị nkeji 40, na-emeziwanye arụmọrụ ọrụ nke ọma.