Steepụ ígwè

Ngwa Nhazi Steel nke American ASTM A992 Steel Stair

ASTM A992 Steepụ ígwèbụ steepụ ígwè siri ike ma sie ike nke e mere maka ngwa ụlọ ọrụ mmepụta ihe, azụmahịa, na akụrụngwa.

ajụjụ nkọwa zuru ezu

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