Nā runga i te toki taiheru pai ki te toki, ka whakamahia ngā painga o te toki me te āhua kaweawe o te pai hei tuku whakaae mō te kawe i ngā wai korenga rānei, i ngā wai korengatanga. Ko te kapa toki e whai take ana i te whakangāherehere whare, nō reira ka tiakina te kaihāpai i te whakapakari, ko te kaiwhakarere pai, e mahi noa atu ana i ngā momo like ki ngā pai polyethylene rānei, ki ngā pai polypropylene, ka tiakina mai i te korenga o ngā rūpau. Nō reira ka taea e te horopaki nei te whakatika i ngā raruraru o te haerenga, ahakoa te tiaki i te kaihāpai i te korenga me te whakawhitiwhiti. Ka whakamahi ngā kaiwhakahaere i ngā taiwhanga toki pai ki te toki i ngā whenua pūtaiao, i te whakarite wai, me te mataiwhenua hei kawe i ngā kōriki, ngā takawaenga, me ētahi atu rūpau whakarerekē. Anō he mea hoki, ka tutuki i ngā ture haumaru me ngā ture taiao, ka tae atu ki te kawe haumaru me te tirohanga.