Ho phethahatsa bareki ho kena ka Bibeleng ho kenyelletsa le basebetsi ba rona ba tiileng, ho tsamaisa thepa e ntle, ho paka hantle, ho paka, ho paka hantle, ho paka hantleCinnaMyl Cinnamate,3 - Hydroxy - 2 - Buanone (Dimer),2 - Methyl - 3 - Methylthio furan,Ethyl Methylthio Acetate. Re amohela bareki ba bacha le ba fetileng ho tloha maetong ohle a bophelo ba ho ikopanya le rona bakeng sa likamano tsa khoebo e telele le ho etsa mosebetsi o molelele. Sehlahisoa se tla fana ka lefatše lohle, joalo ka Europe, Amerika, Aligria, Se-Algeria, Barbado, Semmane. Re lakatsa eka re ka khona ho theha likamano tsa khoebo tsa molumo le bareki bohle ho tloha lapeng le mose ho maoatle litseleng tsa melemo.