Izinzuzo eziningi zezicabha zensimbi zomlilo zibenza bathathe ingxenye yemakethe enkulu ezakhiweni zomphakathi. Uhlaka lomnyango womlilo wensimbi kufanele lugcwaliswe ngezinto ezingashi, futhi izinga lokushisa elincibilikayo lezinto zezingxenyekazi zekhompuyutha njengezingidi zezicabha, amahinge, namaletshi akufanele kube ngaphansi kuka-950 °C.

2hr intengo yomnyango olinganiselwe ngomlilo,iminyango yokungena enesilinganiso somlilo,umlilo proof steel umnyango,iminyango yomlilo enezici ezimhlophe, umnyango womlilo we-40mm,24 intshi umnyango olinganiselwe umlilo,iminyango yesitayela se-crittall elinganiselwe umlilo,2hr intengo yomnyango olinganiselwe ngomlilo,umnyango womlilo wensimbi engagqwali, iminyango yomlilo elinganiselwe imizuzu engama-20,umlilo proof steel umnyango,umnyango ongashi, umnyango wegaraji womlilo,umlilo proof steel umnyango,Ihora elingu-1 elilinganiselwe umnyango womlilo,24 intshi umnyango olinganiselwe umlilo,umnyango wokuphuma olinganiselwe umlilo, umnyango olinganiswe nomlilo isigamu sehora,2hr intengo yomnyango olinganiselwe ngomlilo,4 umnyango womlilo obushelelezi,24 intshi umnyango olinganiselwe umlilo