Smoke control equipment T.A.B (Testing, Adjusting and Balancing)” refers to reviewing the ordering design document in accordance with the smoke control equipment T.A.B. procedure and prior consultation with the relevant parties to optimize the design, and to determine the installation and operation status of the facility, wind volume, wind speed, and differential pressure. It refers to a field of firefighting work that ensures the appropriate performance of smoke control equipment by measuring, finding and adjusting problem elements.