Li-bollards tse thibelang ho oa ke li-bollards tse etselitsoeng ka ho khetheha tse sebelisetsoang ho monya le ho mamella matla a likoloi, tse sireletsang litšebeletso tsa motheo, meaho, batho ba tsamaeang ka maoto le matlotlo a mang a bohlokoa likotsing kapa likotsi tsa boomo. Hangata li-bollards tsena li matlafatsoa ka thepa e boima joaloka tšepe 'me li hahiloe ho mamella likhohlano tse matla, tse fanang ka tšireletso e matlafalitsoeng libakeng tse thata.
