Welded H steel e sebelisoa bakeng sa likarolo tsa kaho, 'me e na le litšobotsi tsa boima bo bobebe, boima bo botle, boleng bo botle, ponahalo e ntle, kaho e loketseng, le lebelo la kaho le potlakileng. likarache tsa mekato ea ho paka makoloi, lifeme tse kholo tsa boima bo bobebe, matlo a polokelo, meaho e mecha ea liofisi, matlo a tsamaeang, matlo a bolulo a sechaba le ho kenya thepa.