ʻE lava ke ngaue ʻaki ha puha tufakiʻanga naunau ki he fakaʻauha ʻi he ngaahi tuʻunga ko ʻeni:
1. ʻOku ʻikai totonu ke laka hake ʻa e mafana ʻo e ʻatakai ʻi he + 40 ° c ko e fakangatangata ʻi ʻolunga pea ʻoku ʻikai totonu ke maʻulalo ange ia ʻi he 20 ° c ko e fakangatangata maʻulalo ange, mo ha ʻavalisi ʻo e houa ʻe 24 ʻoku ʻikai fuʻu lahi + 35 ° c;
2. ʻOku totonu ke ʻoua naʻa fuʻu lahi ʻa e feituʻu ʻoku fola ai 2000 mita ʻe;
3. ʻOku totonu ke tauʻataina ʻa e feituʻu mei he oscillation mahuʻinga, tetetete, mo e ola;
4. ʻOku totonu ke ʻavalisi e ʻea hauhau ʻo e saiti ʻi lalo 95% mo ha ʻavalisi fakamahina mafana ʻo e ʻea ʻolunga + 25 ° c;
5. ʻOku totonu ke lau ʻa e tuʻunga ʻuli ko e maaka 3.
ʻI he taimi ʻoku fola ai ha puha tufakiʻanga naunau ki he fakaʻauha, ngaahi meʻa hange ko e feituʻu ʻoku fola ai, mafana ʻo e ʻatakai, ʻea hauhau, ʻaonga ki tuʻa, pea kuo pau ke fakakaukauʻi ʻa e tetetete.