Generate a more complex version of this sentence For a better understanding we have to realize that until the mid-20th century houses were heated by open fires in chimneys or by stoves. Hei mārama ake, i whakawerahia ngā whare e ngā ahi tuwhera i roto i ngā kōrākau, i ngā oumu rānei.
Ko te tikanga, ko te putanga matatini ake o te rerenga korero ko "Mo te maarama pai ake me mohio taatau tae noa ki te waenganui o te rautau 20 i whakawerahia nga whare e nga ahi tuwhera i roto i nga kaimoana, i nga oumu ranei, a ko te korenga o te wehenga i tino nui te whare me te makariri i te wa o te hotoke. "