bụ ọkachamara aku na naịlọn belt, igwe anaghị agba nchara tie, tie efere tie, bead ụdị, nọmba tube, ọjà, film, fastener, ntu mkpachị, sọrọ ike mgba ọkụ, sọrọ ike akpaka nyefe mgba ọkụ ngwaahịa R & D, mmepụta na ahịa na otu n'ime ụlọ ọrụ.
