Aosite, kusukela 1993
1. Ngokusho kohlobo lwesisekelo se-bai, ihlukaniswe yaba uhlobo olutholakalayo kanye nohlobo olungaguquki; du
2. Ngokohlobo lomzimba wengalo, ihlukaniswe yaba izinhlobo ezimbili: uhlobo lwe-zhi olushelelayo kanye nohlobo lwekhadi le-dao;
3. Ngokwendawo yekhava yephaneli yomnyango, ihlukaniswe yaba ikhava egcwele (ukugoba okuqondile, ingalo eqondile), ikhava evamile 18%, ikhava enguhhafu (igoba eliphakathi nendawo, ingalo egobile) ikhava engu-9%, nengaphakathi (ukugoba okukhulu, okukhulu. ijika) amaphaneli eminyango wonke afihliwe ngaphakathi.
Amahinge afakwa ikakhulukazi eminyango nasemafasiteleni, kanti amahinge afakwe kakhulu emakhabetheni. Ngokwesigaba sezinto ezibonakalayo, ahlukaniswe ikakhulukazi amahinge ensimbi engagqwali namahinge ensimbi. Ukuze uvumele abantu bajabulele kangcono, kuye kwavela amahinge adonsa amanzi (abuye abizwe ngokuthi ama-damping hinges). Isici sawo ukuletha umsebenzi we-buffer lapho umnyango wekhabethe uvaliwe, okunciphisa umsindo obangelwa ukushayisana nomzimba wekhabhinethi lapho umnyango wekhabhinethi uvaliwe.