1. Le modeli yenziwe ngezinto ezisebenzisa i-polymer eninzi, ikhusela okusingqongileyo kwaye ihlala ixesha elide ukuze ihlale isetyenziswa ngokuphindaphindiweyo.
2. Linganisa isinqe somntu omdala ngobukhulu bobomi bakhe, kunye nokwakheka komzimba okucacileyo, njenge-anus, i-rectal column, i-rectum njl.njl.
3. Lingisa indawo ekhohlo ecaleni. Kukho imvakalelo yokuvaleka okubonakalayo ngelixa ufaka ityhubhu. Ulwelo aluyi kuvuza kwi-anus.
4. Ixhotyiswe ngephaneli ye-elektroniki yokukhumbuza xa ityhubhu ye-enema ikwindawo elungileyo.