1. Biyo-milmi kara, eter cellulose cellulose aan-ionic ahayn
2. aan ur lahayn, aan dhadhamin, aan sun ahayn, budo cad
3. lagu milmay biyo qabow, samaynta xal cad ama wax yar
4.properties of dhumucdiisuna, xidhitaan, firdhisan, emulsifying, film-samaynta, ganaax, adsorption, jel, dhaqdhaqaaqa dusha, haynta biyaha iyo kolloid ilaalinta.