Ka whakatikatikaina hoki ngā pīrere mānu o te tipu hiko mā roto i ētahi tukanga, ka taea te whakatikatika mai i te tipu hiko, nō reira me pēhea te whakatikatika i ngā pīrere mānu mai i te tipu hiko. Me hiahia koe ki te hangarau matatau? He aha ngā tukanga me ngā āhuatanga me aro atu ki
Ko te pungarehu rere o te tipu hiko he momo toenga paura mai i te poiha hau mura i muri i te tahunga waro. He momo rauemi pozzolanic horihori, arā, he momo rauemi siliceous, aluminosilicate rānei. He nui te rerekētanga o te mahi a te pungarehu rere, ehara i te mea e pā ana ki te momo waro me te pūtake waro anake, engari e whakawhirinaki ana hoki ki te momo poiha, ngā āhuatanga mahi me te aratau tukunga pungarehu. I te nuinga o te wā, ina tere te tere whakamatao, ka nui ake te ihirangi karāhe, engari, he ngāwari te tioata o te karāhe. Ka kitea i runga i te āhua, he ranunga o ngā kohuke tioata me ngā kohuke kore-kiriata te pungarehu rere, ā, he nui te rerekētanga o tōna hanganga kohuke.