Final answer:
In a job that requires OLE isolation, you need an OLE isolation certificate.
Step-by-step explanation:
In a job that requires OLE isolation, you would need an OLE isolation certificate. OLE stands for Occupational and Environmental Safety and Health. An OLE isolation certificate is a document that certifies that a worker has been trained and is qualified to work in environments that require OLE isolation, ensuring their safety and adherence to safety protocols.