Tika Tangi Rahi Maama Aunoa

Kei te whakamahia tenei taputapu mo te ngongo / ngongo tere tere tere whakatikatika, te mana whakahaere korehau +/-0.1Kpa, ka taea te whakatika aunoa i te tohu korehau.
Ka taea e te kaiwhakamahi mutunga te whiriwhiri i te tank 4m / 6m / 8m i runga i nga waahanga rereke o te ngongo / ngongo.