Ngā ngongo maitai kore-tuitui mō ngā kohua pēhanga iti me te pēhanga waenga (GB3087-2018) he paipa maitai hanganga waro kounga teitei, he mea hurihuri wera, he mea kumea matao (hurihuri), e whakamahia ana mō te hanga paipa mamaoa wera rawa, paipa wai kohua mō ngā hanganga rerekē o ngā poiha pēhanga iti me te pēhanga waenga me ngā paipa mamaoa wera rawa, ngā paipa paowa nui, ngā paipa paowa iti me ngā paipa pereki āwhata mō ngā poiha tereina.

Me poutū ngā pito o te paipa rino ki te tuaka o te paipa rino, ā, me tango ngā kohao.GB3087Ko te paipa maitai paerewa he mea hanga i te 10, 20 te maitai hanganga waro kounga teitei kua hurihia wera, kua hurihia matao rānei, me te nuinga o te wāpēhanga waie, te whakapiko, mura, te whakatārewatangame ētahi atu whakamātautau hei whakarite i te kounga me te mahi a te hua.