He maha ngā rangatira i roto i te hanganga o te whare maitai marama, he maha ngā kamupene e kī ana kia whakamahia te tuanuingā papa uku, ko te mea tino āwangawanga o te rangatira mō te raruraru, kia pēhea te roa o te ora o ngā shingle uku?

He mārama ngā painga o te utu iti me te ngāwari o te hanga i ngā pereki uku, engari ki te poto rawa te roa o te mahi a ngā pereki uku, he tino raruraru te tiaki tōmuri, engari ka piki ake te uauatanga o te hanganga me te utu hanga.

Ina hoki, i hangaia ngā papa uku mō ngā whare rakau i te tīmatanga. Nā te poto o te ora o te whare rakau, ā, he ngoikore te kaha ki te pupuri, nō reira me hanga he momo papa angiangi, i puta mai te papa uku i te wā o mua, hei utu mō te papanga linoleum taketake, hei whiringa pai mō te tuanui whare rakau.

Tae noa mai ki tēnei wā, kua neke atu i te 60 tau te roa o te whakamahi i ngā papa uku, ā, i muri i te neke atu i te 60 tau o te whanaketanga, kua pai ake ngā āhuatanga katoa o ngā papa uku, ko te panonitanga tino kitea ko ngā paerewa ā-motu o ngā papa uku.

Ko ngā pereki uku i hangaia kia rite tonu ki ngā paerewa ā-motu, ka taea te whakamana i te roa o te ora o ngā pereki uku kotahi mō te 20 tau, ā, ko ngā pereki uku takirua ka taea te whakamana mō te 30 tau.

Kāore anō kia rite te roa o te mahi ki te roa o ngā taera tuku iho, e kīia ana ka roa mō te 50 tau. Engari i te tere o te whanaketanga o ngā tāone me te roa o te mahi hanga whare i Haina i tēnei wā, e 30 tau te roa o ngā pereki uku hei whakauru ki te nuinga o ngā whare. Nō reira, i roto i ngā tau 10 kua pahure ake nei, kua tino whānui te whakamahinga o ngā pereki uku, tae atu ki ngā pari tuanui katoa, ā, kua kitea ētahi whakamahinga o ngā pereki uku.

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