Ihe na-acha uhie uhie bụ ụdị flange nke jikọtara, akàrà na-ejikọ, ma gbanwee ntụzịaka nke ọkpọkọ ke anwụrụ ọkụ site na Butt-ulding the flage. Olu nke weld olu flices oghere dayameta nke ọkpọkọ, na-enye ezigbo ịgbado ngwa mgbakwunye n'oge ịgba mbọ hụ na ike na njigide nke njikọ ahụ.
