Ka lilemo tse ngata tsa phihlelo ea tlhahiso ea marapo a boima a marang-rang , Lishenflex e ka fana ka mefuta e mengata ea lithapo tse boima tsa ho roala . marapo a boima a ka kopana le likopo tse ngata, haeba u li hloka, ka kopo fumana tšebeletso ea rona e nakong ea marang-rang mabapi le lithapo tse boima tsa mosebetsi o boima . Ho phaella lethathamong la lihlahisoa tse ka tlaase, u ka boela ua iketsetsa marapo a hau a boima a ikhethang ho latela litlhoko tsa hau tse khethehileng.