I roto i te mahi roa o ngā taputapu ahumahi, ko te wiri tetahi o ngā tino take o te pakaru o te hononga pūtu. Ina mahi tonu ngā taputapu, ka tukuna tonutia te kaha wiri ki ngā pūwāhi hononga. He maha ngā wā kāore e taea e ngā whakapiripiri noa te tu atu ki tēnei kawenga hihiri tonu, ā, ka heke haere te kawenga mua, ka mutu ka paheke te pūtu me te wetekina, ā, ka puta he pakaru o ngā taputapu, he aituā haumaru rānei. Ko ngā horoi puna M10 he wāhanga ā-ringa ā-ringa ngaio kua hangaia hei whakaoti i tēnei raruraru. Nā te kaha whakaea tere roa, he mahi nui tā rātou i roto i ngā āhuatanga wiri.