Āhuatanga:
1.Reasonable hoahoa, mahi pihi-momo, ngawari ki te ako me te timata.
2.Timing mana, ka taea te whakarite i te wa pehi kia rite ki te tukanga whakaputa, ka tukuna aunoa te pereti pehi ina tae mai te wa, kei reira he buzzer hei whakamahara, he watea me te kore raruraru.
3.Equipped ki whawhati tata mutu pana pana, aunoa mutu te pana tiaki o te pēhanga pereti whiu i runga i te rohe me te whakakā mutu ohorere karapotia e te mīhini katoa, ki te mahi haumaru tiketike.
4.Ko te pereti pehanga he mea hanga ki te pereti totoka, a ko te ara hinu i roto i te pereti kei te tukatukahia e te keri poka hohonu, he pai te mahi anti-leakage me te pehanga.