Re na le bareki ba bangata ba baholo ba boholo ba sehlopha sa marang-rang, QC le ho sebetsana le mefuta ea khaphetso e likhathatso ha e ntse e le mokhoa oa lichelete oa likoloi tsa Chaena ea Chaena ea lichelete Vonsland motlakase, Mens ea Mens Elety , Theha Tsamaiso ea motlakase , betri ea koloi ea motlakase e fihla ka nako e kae ,Etella pele koloi ea motlakase ea acid . Kamehla re nka theknoloji le bareki e le 'ngoe ea pele. Kamehla re sebetsa ka thata ho etsa melao ea rona e ntle ho bareki ba rona le ho fana ka bareki ba rona lihlahisoa le lits'ebeletso tse betere. Sehlahisoa se tla fana ka lefatše lohle, joalo ka Europe, Amerika, la Asia Boroa, la Asia Bochabela, Serbia.