6) Accessories (Windows, Doors, Ventilation): Designed to fit the system, with standardized, interchangeable parts, including pre-designed flashing and trims.
6) ອຸປະກອນເສີມ (Windows, ປະຕູ, ລະບາຍອາກາດ): ອອກແບບໃຫ້ພໍດີກັບລະບົບ, ມີມາດຕະຖານ, ພາກສ່ວນ interchangeable, ລວມທັງກ່ອນການອອກແບບກະພິບແລະການ TRIMs.