Nadiifiyaha Hawada Beval waa nadiifiye hawo oo yar oo loogu talagalay in lagu isticmaalo qolal yaryar. Beval waa ka yar yahay nadiifiyeyaasha kale ee leh isla sifooyinka, taasoo suura gelinaysa in qalabka si fudud loo dhaqaajiyo oo loola wadaago qolal kala duwan. Afar dareemayaal ayaa ogaada ozone-ka, PM2.5, PM1.0 iyo walxaha kimikaad ee dhalanka fudud (volatile organic compounds). Qaybta shaandhaynta (filter) ayaa ka saarta boodhka waxayna joojisaa bakteeriyada iyo fayrasyada, halka saddex nal oo ugu dambeeya (ultraviolet) ay mar labaad daaweeyaan hawada. Shaqo caqli-badan oo AI ah ayaa cabbirta isticmaalka shaandhada si loo qiyaaso wakhtiga dhabta ah ee lagu bedeli karo. Dabaqa dibadda (housing) waxaa laga sameeyay ABS.
Magaca mashruuca : Beval, Magaca naqshadeeyayaasha : Sun Max Tech Limited, Magaca macmiilka : Hoood.
Naqshaddan wanaagsan ayaa ah guuleystaha abaalmarinta naqshadaha naqshadaha xirmada. Waa inaad xaqiiqdii aragtaa abaalmarinta naqshadeeyayaasha naqshadeeyayaasha abaalmarinta si aad u ogaato waxyaabo kale oo badan oo cusub, hal abuur leh, asal ah iyo abuurista baakadaha xirmooyinka hal abuurka ah.