Ko te rawhi ngongo momo Amerika tētahi o ngā rawhi ngongo kowiri tira. Ka whakamahia e te hua te tukanga whitiki maitai mā roto i te kōhao kia piri ai te ngau o te tīwiri ki te whitiki maitai. Ka whakamahia e te tīwiri te tikanga whakamau e rite ana ki te pane hexagonal o waho me te tīwiri whakawhiti, papatahi rānei i waenganui, kia watea ai te whakahaere. Ngā Painga, hei whakarei ake i te whai huatanga o te whakamahinga hua, ka whakamahia te hua i roto i ngā ara iahiko hinu, wai, me te hau o ngā motuka, motopaika, tarakihana, me ngā waka miihini kia piri ai ngā hononga paipa!

Whakataki hua: Mā te werohanga poka te awaawa ārai i runga i te whitiki maitai o te rawhi ngongo Amerikana, ka uruhia, ka hangaia. E rua ngā momo awaawa: te kōhao tapawhā me te kōhao wīro. Kei roto i te awaawa te miro o te tīwiri taputapu kutukutu i runga i te rawhi ngongo. He mea noa te whakamahi i te tīwiri hei whakakī i te diameter o te whitiki maitai rawhi ngongo, kia mau ai te pānga raka.

Whakarōpūtanga: I roto i ngā rawhi ngongo momo Amerika, ka wehea ki te momo Amerika iti, te momo Amerika Hainamana me te momo Amerika nui. Ka whakatauhia e te whānui o te rīpene maitai. Ko te momo Amerika iti he 8MM te whānui, ko te momo Amerika Waenga he 10MM te whānui, ā, ko te momo Amerika Nui he 12.7MM te whānui.

Rauemi: Ko ngā rauemi e whakamahia whānuitia ana ko te kowiri tira (201/304/316), ā, ko te mata o te maitai waro he mea whakakikorua ki te konutea mā.

Ngā Āhuatanga: Nā te mea kua uru te awaawa ārai o te whitiki maitai o te rawhi ngongo Amerikana, ā, kua whakauruhia ngā niho o te tīwiri, ka kaha ake ina whakakīia. He tika te ngau. Heoi, nā te mea ka taea e te whitiki maitai te uru ki roto i a ia anō, ka ngāwari te whati ina kaha te kume. He kaha ake tēnei momo mahi kume i ērā o ngā rawhi ngongo momo Tiamana.

He whānuitia te whakamahinga o te rawhi ngongo hei hononga ngongo mō ngā paipa waka, ngā papu wai, ngā pā hau, ngā mīhini kai, ngā mīhini matū me ētahi atu ahumahi. He ataahua, he atawhai hoki.