Nete ea borokho e thibelang ho lahla e na le mefuta e mengata ea tšebeliso 'me e ka sebelisoa e le terata ea ho itšehla thajana ea litsela tse kholo. Haholo-holo e sebelisa molamu oa boleng bo holimo e le thepa, 'me bokaholimo ba marang-rang bo entsoe ka galvanized le pvc-coated, e nang le litšobotsi tsa anti-corrosion le anti-ultraviolet ka nako e telele.