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Ntupu ígwè gbasaworo
Ntupu nchara gbasaa nwere ike iji ụdị efere dị iche iche dị ka obere carbon steel plate, igwe anaghị agba nchara, efere aluminom, efere ọla kọpa, efere nickel, efere magnesium, aluminum-magnesium alloy plates, wdg dị ka akụrụngwa. Ihe e ji ahazi ya bụ na a na-ejikọta ọtụtụ obere eriri waya iji mepụta rhombus ma ọ bụ ntupu ndị ọzọ nwere ọdịdị.
