Hexagonal ntupu mere nke galvanized ígwè waya site akpaka ntupu akwa igwe, ntupu n'ime iwu hexagonal, ntupu ọkọlọtọ, mara mma, ntupu size nwere ike ahaziri dị ka ndị ahịa chọrọ, na-emekarị 27mm,20mm, 13mm, waya dayameta si 0.40mm ka 1.20mm, iji mezuo ihe achọrọ dị iche iche ...
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