1. Definition Safety grating bụkwa nke perforated efere, kewara n'ime nkịtị ígwè efere, igwe anaghị agba nchara efere, galvanized efere na na.2. Usoro mmepụta Dị ka ngwa ahụ si dị, akụrụngwa na-apụta 鈫 punching 鈫扅 / span> na-ehulata 鈫扅 / span> mbukota 鈫扅 / span> l ...
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