2 Where changes in the types of scaffolds, fall protection, falling object protection, or other equipment present a hazard about which an employee has not been previously trained.
2 Where changes in the types of scaffolds, fall protection, falling object protection, or other equipment present a hazard about which an employee has not been previously trained.
因脚手架、摔落保护、落物防护或其它设备的类型变化导致脚手架存在危险，而员工以前均未接受过此类培训。