Ugqinsi lweqabunga lomnyango wensimbi olinganiselwe umlilo luhlukaniswe izindinganiso ezintathu, A, B, C, futhi lunokweqa umsindo oluhle kakhulu nokusebenza kokuvikela ukushisa. Iminyango yomlilo wensimbi ingahlinzekwa ngamafasitela, ama-shutter, ama-shutter okungenisa umoya, njll. njengoba kudingeka. Siyakwamukela ukuxhumana nathi.

imininingwane ye-jamb yomnyango wensimbi wangaphandle,ipuleti lokukhahlela umnyango elilinganiselwe umlilo,iminyango yensimbi engenalutho osayizi lite, iminyango yensimbi engenalutho namafreyimu,

umenzi wezicabha ezikwazi ukumelana nomlilo,imininingwane ye-jamb yomnyango wensimbi wangaphandle,isicabha sensimbi esiphindwe kabili esine-hardware, izithombe zeminyango yokhuni yokuphepha yamafulethi, iminyango yezokuphepha 820,osayizi be-lite bensimbi obungenalutho,isithombe somnyango wokuphepha, iminyango yezinyawo ezingu-9 ngaphakathi,ukuvalela iminyango nezinhlaka zensimbi ezingenalutho,umnyango wephaneli obhalwe phansi,

Isicabha esingangenisi umlilo sokhuni,imininingwane ye-jamb yomnyango wensimbi wangaphandle,ukusetshenziswa komnyango wokuphuma ezimeni eziphuthumayo, umnyango olinganiselwe umlilo, indawo yokuhlala elinganiselwe umlilo