He whānuitia te whakamahinga o te rawhi ngongo i roto i ngā motuka, ngā tarakihana, ngā forklift, ngā locomotive, ngā kaipuke, te keri whenua, te hinu, ngā matū, ngā rongoā, te ahuwhenua me ētahi atu mea wai, hinu, mamaoa, puehu, me ētahi atu. He pai rawa atu hei hononga. He iti noa ngā rawhi ngongo, ā, he iti noa iho te uara, engari he nui te mahi a te rawhi ngongo. Ko te rawhi ngongo Amerikana, e mōhiotia ana ko te rawhi. Ko ngā rawhi ngongo kowiri tira Amerikana: kua wehea kia 8mm ngā rawhi ngongo Amerikana me te 12.7mm ngā rawhi ngongo Amerikana.

Mā te hangarau puta-kōhao, he whānui ngā whakamahinga o te rawhi ngongo, he ātete ki te takahuri me te pēhanga, he taipana takahuri taurite, he raka pakari, he piripono, he whānuitanga whakarerekētanga nui. He pai mō ngā whakapiripiri e hono ana i ngā paipa ngohengohe me ngā paipa mārō neke atu i te 30mm. He ataahua te āhua i muri i te huihuinga. Ngā Āhuatanga: He iti te waku o te kutukutu, ā, he pai mō te hononga o ngā waka waenga me ngā waka teitei, ngā taputapu pupuri pou, ngā paipa rino me ngā ngongo, ngā rauemi ārai-waikura rānei.

TONO

He iti te waku o te noke, ā, he pai mō te hononga o ngā waka waenga me ngā waka papai, ngā taputapu pupuri pou, ngā paipa me ngā ngongo rino, ngā rauemi ārai-waikura rānei.

He hononga te rawhi ngongo hei hononga i ngā paipa ngohengohe me ngā paipa pakeke. Mā te mowhiti korokoro ka whakatau i te raruraru o ngā koki mate me te turuturu wai me te hau ina whakamahia te mowhiti korokoro hei hono i ngā paipa ngohengohe me ngā paipa pakeke iti te whānui i ngā mahi o mua. He hanganga mowhiti tuwhera kei roto, kei waho hoki o te mowhiti korokoro, ā, he pūtu te mea e mau ana. Mā te rawhi ngongo ka whakatau pai i te raruraru o ngā koki mate me te turuturu wai me te hau ina hono i ngā paipa ngohengohe me ngā paipa pakeke iti te whānui. He ngāwari te hanga i te hanganga māmā, ā, ko te utu he 30% o te hua taketake. He whānuitia te whakamahinga o te rawhi ngongo i roto i ngā waka motuka, ngā matū hinu, ngā wāhanga āwhina mō te rongoā, te kai, te waina, te maimoatanga paru, te purenga, te tango puehu, ngā wāhanga motuka, me ētahi atu.