,Ndepụta ọnụ ahịa dị ọnụ ala maka Nnwale Ngbanwe Polarity ugbu a - CT&PT ACCURACY SYSTEM – Nkọwa Trihope:
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Ntuziaka ngwaahịa emetụtara: Ndepụta ọnụ ala dị ọnụ ala maka ule mgbanwe mgbanwe ugbu a - CT&PT ACCURACY TESTING SYSTEM – Trihope , Ngwaahịa a ga-ebunye ụwa niile, dị ka: , , ,