No one, other than those responsible for placing it, is allowed to cross a brow until it is secured and the guardrails are correctly set up.
Akukho namnye ngaphandle kwaba banobutyala bokubeka kwayo, kuvumelekile ukuba inganqamlezi ungqameko de kuqinisekise na kwizithintelo zengozi ukuba zisetwe kakuhle.