Ụkpụrụ
Kere & rụpụta: DIN 3356, BS 1873
Nnwale nnwale: DIN3230, BS EN12569
Akụkụ ihu na ihu: DIN3202, EN558-1
Akụkụ njedebe flanged: DIN2543, DIN2544, DIN2545, EN 1092-1
Njirimara Nhazi
1.Double akara, arụmọrụ a pụrụ ịdabere na ya karị;
2.Stem ebuli ọnọdụ egosi, ọzọ kensinammuo;
3.Small eruba nguzogide, ala nsogbu dobe.