1. Mā te hoahoa hanganga hiri e toru ka ārai i te wai ua kei uru ki te taha o roto o te rūma, ā, mā te hoahoa hiri o waho ka ārai i te wai ua kei uru ki te rūma isobaric, ka ārai hoki i te onepu me te puehu kei uru, ka hua ake he pai te ātete hau me te piri wai;
2. 55 Broken Bridge Flat Window Series, he whānui anga 55mm me ngā momo teitei mata iti pēnei i te 2830, 35, me te 4053 hei whakatutuki i ngā hiahia o ngā mākete rerekē. He whānui ngā rauemi tautoko, ā, ka taea e ngā huinga maha o ngā rauemi matua me ngā rauemi āwhina te whakatutuki i ngā pānga matapihi rerekē;
3. He rīpene ārai 14.8mm te matotoru, ā, ka taea e te hoahoa awaawa paerewa te whakawhānui ake i ngā whakaritenga o te rīpene ārai kia eke ki te teitei o te rārangi pēhanga o te 20.8mm mō ngā raupapa hua rerekē. He pai mō ngā anga matapihi, ngā whakatuwheratanga o roto, o waho hoki, ngā rauemi whakawhiti, me ngā tautoko pokapū, ka whakaiti i ngā momo rauemi a te kiritaki, ka whakapai ake hoki i te whakamahinga o ngā rauemi;
4. He whānui te rīpene honohono ōrite i roto i ngā raupapa tuwhera papatahi katoa o ngā rauemi konumohe hangarau-teitei;
5. Ko te hanganga maha-kōhao o te whakamahi i te karāhe whakamarumaru me ngā matotoru rerekē me ngā kōtaha ka whakaiti i te pānga haruru o ngā ngaru oro, ka ārai i te tuku oro, ā, ka taea te whakaiti i te haruru neke atu i te 20dB;
6. He maha ngā āhua rārangi pēhanga, e tutuki ai ngā whakaritenga o te tāutanga karāhe, ā, e whakapai ake ana i te ataahua whānui o te matapihi;
7. Ko te whānui o te awaawa he 51mm, ā, ko te kaha tāutanga mōrahi he 6+12A+6mm, 4+12A+4+12A+4mm karāhe.