Which of the following statements describes "engineered control"?
◦ A technique used to provide optimum control for quality testing of patient specimens
◦ Safety equipment that isolates or removes only radiation hazard from the workplace and represents the preferred method for controlling radioactive hazards
◦ Represents an alarm systems that alerts everyone in the laboratory that there is a fire in the building
◦ Safety equipment that isolates or removes the bloodborne pathogen hazard from the workplace and represents the preferred method for controlling hazards