1. Maonekedwe a unyolo amaoneka ngati chokwawa cha thanki yokhala ndi malo olumikizirana angapo. Malo olumikizirana a chokwawa amazunguliridwa momasuka.
2. Mndandanda womwewo wa unyolo uli ndi kutalika kofanana kwa mkati ndi kutalika kwa kunja ndi mtunda wofanana koma kutalika kwa mkati ndi utali wopindika R zitha kupangidwa motsatira njira zosiyanasiyana.
3. Cholumikizira cha unyolo chimapangidwa ndi mbale ya unyolo yochokera kumanzere kupita kumanja ndi chivundikiro chokwezedwa pansi. Cholumikizira chilichonse cha unyolo chikhoza kutsegulidwa kuti chikhale chosavuta kusonkhanitsa ndi kugawa popanda ulusi. Zingwe, mapaipi amafuta ndi mapaipi a gasi zitha kuyikidwa mu unyolo wokoka mbale ya chivundikiro ikatsegulidwa.
| Chitsanzo | H×W Yamkati | HXW yakunja | Kuyimba | Utali wozungulira wopindika | Kuyimba | Kutalika kosathandizidwa | Kalembedwe | ||
| B1 | B2 | B3 | |||||||
| TZ-18.18 | 18x18 | 23x31 | 12 | 6.5 | 6 | 28.38.48 | 30 | 1.5 | Zivindikiro zotsekedwa theka ndi pansi zitha kutsegulidwa |
| TZ-18.25 | 18x25 | 23x38 | 19.5 | 6 | 6 | 28.38.48 | 30 | 1.5 | |
| TZ-18.38 | 18x38 | 23x51 | 25 | 6 | 6 | 28.38.48 | 30 | 1.5 | |
| TZ-18.50 | 18x50 | 23x63 | 30 | 7 | 7 | 28.38.48 | 30 | 1.5 | |
Popanga maukonde a chingwe, choyamba muyenera kusankha mtundu wa unyolo/chonyamulira ndipo kachiwiri, mtundu wa zingwe zomwe ziyenera kuyikidwa pa unyolo, kenako ndi kuyika zingwe zomwe zili mu unyolo. Makampani ambiri opanga maukonde akuluakulu ali ndi zikalata zomwe zimafotokoza momwe angasankhire ndikukhazikitsa maukonde awo kuti atsimikizire kuti unyolo ndi zomwe zili mkati mwake zimakhala ndi moyo wautali kwambiri. Kutsatira malangizo amenewo kungatsimikizire kuti nthawi zambiri zimakhala ndi ma cycle 10 kapena mamiliyoni ambiri, komanso kungapangitse kuti maukonde otakata kwambiri omwe sitingathe kuwagwiritsa ntchito mosavuta.