He mea nui te whakamarumaru o te whare kati kōtuhi i ngā marama raumati – ahakoa i te raumati o Peretānia, ka taea e te rā te whakanui ake i te pāmahana i roto i te whare kati kōtuhi kia kino ai ngā tipu – he nui te kino o te wera nui me te werawera ka pā ki ō tipu i roto i te wā poto noa iho. Ko te huarahi māmā ki te whakarato whakamarumaru i roto i tō whare kati kōtuhi ko te pani i te peita ki te whakamarumaru ki waho o te karaihe – ka tauhohe ngā peita whakamarumaru hou ki te hihi o te rā, nō reira, ina ua te ua, ka noho mārama te whakamarumaru, ka tukuna te mārama katoa, ā, ina paki ka huri hei mā, ka whakaata i ngā hihi o te rā. Ko tētahi atu huarahi ki te whakamarumaru i tō whare kati kōtuhi ko te whakamahi i te papanga whakamarumaru. Whakauruhia he papanga whakamarumaru ki waho o tō whare kati kōtuhi mō te hua whakamatao nui – he whai hua tēnei nā te mea ka ārai i ngā hihi o te rā kia kore e whiti mā roto i te karaihe whare kati kōtuhi. Ka taea rānei e koe te whakauru i te papanga whakamarumaru whare kati kōtuhi ki roto o te whare kati kōtuhi – he māmā ake te tāuta ki roto engari kāore e rite te hua whakamatao ki te whakatika i waho i te mea ka whiti ngā hihi o te rā mā roto i te karaihe ka whakaputa wera i roto i te whare kati kōtuhi. Heoi, e kore e taea e te whakamarumaru anake te tiaki i ō tipu mai i te kino o te wera – me whakakotahi te whakamarumaru o te whare kati kōtuhi me te haumākū pai o te whare kati kōtuhi me te haumākū – mā te huinga tika o ēnei āhuatanga e toru ka āwhina i te waihanga i tētahi taiao e tika ana mō te tipu hauora o ngā tipu.