A minimum 3-board functioning platform, together with a solitary guardrail, remains in place when the scaffold is put together or taken down. https://avalda.ru/fundamentnyie-bloki-fb-opor-osvescheniya-ogkf-7-prodanyi-ekaterinburg/action.redirect/url/aHR0cHM6Ly92dWYubWluYWdyaWN1bHR1cmEuZ292LmNvL0xpc3RzL0luZm9ybWFjaW4lMjBTZXJ2aWNpb3MlMjBXZWIvRGlzcEZvcm0uYXNweD9JRD04MDc1MDgy