Ko te tere whakaetonga pateko o te taika rokiroki hāora wai he tawhā hangarau nui e whakamahia ana hei arotake i te kaha o te tank ki te pupuri i te hāora wai kia kore e whakaeto i roto i te ahua pateko.
Ko te ipu he oko pehanga mo te pupuri i te hāora wai, te hauota wai, te argon wai, te hauhā me etahi atu korero.
