21. Ko te auau o te huinga kaiwhakawhanake he pumau, engari he ngoikore te ngaohiko. Ko te raru kei roto i te miihini, i te kaihanga ranei?

Whakautu: Kei roto i te kaihanga.

22. I ahatia te ngaronga o te aukume o te kaiwhakanao me pehea te whakahaere?

Whakautu: Kaore i te whakamahia te kaihanga mo te wa roa, na te mea ka ngaro te remana o roto i te putake o te rino i mua i te wehenga atu i te wheketere, a kaore e taea e te kohinga whakaoho te hanga i te papa aukume tika. I tenei wa, kei te rere noa te miihini engari kaore he hiko i hangaia. Ko tenei momo ahuatanga he miihini hou. Ranei he maha atu nga waahanga kaore ano kia whakamahia mo te wa roa.

Rongoā: 1) Mena he paatene whakaohooho, paatohia te paatene whakaohooho;

2) mena kaore he paatene whakaohooho, whakamahia te puhiko hei whakarahiko;

3) utaina he peera rama ka whakahaere i te tere mo etahi hēkona ruarua.

23. I muri i te whakamahinga o te miihini whakatu mo etahi waa, ka kitea he mea noa nga mea katoa engari ka heke te hiko. He aha te tino take?

Whakautu: a. He paru rawa te taatari hau, kaore i te ranea te hau whakauru. I tenei wa, me horoi, me whakakapi ranei te taatai ​​hau.
b. He paru rawa te taputapu taatari wahie, kaore i rahi te kaha o te weronga hinu, no reira me whakakapi kia horoia ranei.
c. Kaore i te tika te waa whakakara me whakatika.

24. I muri i te utaina o te roopu whakangao, ka pumau tona hiko me tana auau, engari kaore e tau. He aha te raru?

Whakautu: Ko te raru kaore i te pumau te kawenga a te kaihoko, ana ko te kounga o te kaihanga he tino pai.

25. Ko te auau o te huinga generator kaore i te pumau. He aha te tino raru?

Whakautu: Ko te raru nui ko te tere takahuri o te generator kaore e pumau.