1: Ukhiye we-engeli okhethekile wezinhlobonhlobo zokuhlanganisa umumo wokudala, osetshenziswa ezikhathini ezahlukahlukene
2: Amamojula ahambisanayo okuhlanganisa okuxubile, namakhabhinethi ahlukene asekela ukuhlanganisa okuxubile
3: Imojula yekhwalithi ephezulu esekela isevisi yedeski elingaphambili
4: Phezulu naphansi Khiya ngokushesha ukufakwa okukodwa okusheshayo
5: Sekela iKhabhinethi enyakazayo yokuhlanganisa phezulu naphansi kwesokunxele kanye nengxenye enyakaziswa kwesokudla, ukudala isiteji somlingo
Ukuvikela okuhlukile kwawo wonke amakhona amane, imiphetho yemojuli yokuvikela ephezulu.
Ukukhiya okusheshayo kungakhiywa ngokuzenzakalelayo lapho amakhabethe amabili ehlangana, umuntu oyedwa angaqeda ukufakwa.Idizayini ye-modular, uxhumano lwephinikhodi olulula, ibhokisi lamandla elizimele.
Idizayini ehlukile yokuxhuma ijika, isekela i-concave kanye noxhumano lwe-convex, ±6, 0, ±3 i-arc elungisekayo.
Ukusekela ukufinyelela ngaphambili noma ngemuva, kulula ukugcinwa.
Ukulengiswa kokusekela, ukuhlanganisa isitaki nokufakwa kwesistimu yokusekela phansi.