He iti noa te rawhi ngongo, ā, he tino iti te uara, engari he nui te mahi a te rawhi ngongo. Ngā rawhi ngongo kowiri tira o Amerika: kua wehea ki ngā rawhi ngongo iti o Amerika me ngā rawhi ngongo nui o Amerika. Ko te whānui o ngā rawhi ngongo he 12.7mm me te 14.2mm. He pai mō ngā whakapiri hei hono i ngā paipa ngohengohe me ngā paipa mārō he 30mm te whānui, neke atu rānei, ā, he ataahua te āhua i muri i te huihuinga. Ko te āhuatanga he iti te waku o te kutukutu, he pai mō te hono i ngā waka waenga me ngā waka teitei, ngā taputapu pupuri pou, ngā paipa rino me ngā ngongo, ngā rauemi ārai-waikura rānei.

1. Whakataki ki ngā rawhi ngongo:

He whānuitia te whakamahinga o ngā rawhi ngongo (rawhi ngongo) i roto i ngā motuka, ngā tarakihana, ngā forklift, ngā locomotive, ngā kaipuke, te maina, te hinu, ngā matū, ngā rongoā, te ahuwhenua me ētahi atu wai, hinu, mamaoa, puehu, me ētahi atu, ā, he pai rawa atu hoki hei hononga.

2. Te whakarōpūtanga o ngā rawhi ngongo:

E toru ngā momo o ngā rawhi ngongo: nō Piritana, nō Amerika, me Tiamana.

Rawhi ngongo momo Peretānia: He rino te rauemi, ā, he mea whakakikorua te mata, e mōhiotia whānuitia ana ko te rino whakakikorua, he taipana ngawari me te utu iti. He whānuitanga o ngā whakamahinga;

He rawhi ngongo momo Tiamana: he rino te rauemi, he mea whakakikorua te mata, he mea tā te roa o te pātene, he nui te taipana, he taurite te utu, ā, he iti te wāhi mākete nā te nui o te utu o te tukanga whakaputa;

Ngā rawhi ngongo o Amerika: e rua ngā momo: te rino kua whakakikoruatia me te maitai kore waikura. Ko te rerekētanga matua ko te tawhiti o te pātene he poka (arā, te pātene mā roto i te kōhao). Ko te nuinga o te mākete he maitai kore waikura. Ko te nuinga o te wā ka whakamahia mō ngā wāhanga motuka, ngā pou me ētahi atu mākete utu nui. Ko ētahi atu e rua he nui ake te utu.