Ko ō rātou āhuatanga ko:
Kaha rawa: Ko ngā reriwe he mea hanga ki te maitai kounga teitei, he kaha rawa, he pakeke hoki, ā, ka taea te tu atu i te pēhanga taumaha me te pānga o ngā tereina. Āheitanga Whakarewa: Ka taea te hono i ngā reriwe ki ngā wāhanga roa mā te whakarewa, ka whakapai ake i te pumau me te haumaru whānui o te ara rerewe.
Ngā paerewa mō ngā rērie whakatakotoria ana e te Whakahaere Paerewa o te Ao (ISO) me ngā paerewa ahumahi rerewē o ia whenua. Anei ētahi paerewa rerewē noa:
Reriwe Rino Paerewa GB, reriwe rino paerewa AREMA, reriwe rino paerewa ASTM, reriwe rino paerewa EN, reriwe rino paerewa BS, reriwe rino paerewa UIC, reriwe rino paerewa DIN, reriwe rino paerewa JIS, reriwe rino AS 1085, reriwe rino ISCOR.
Wā tuku: Paenga-whāwhā-03-2024