Final answer:
Visual inspection of equipment before testing and following repair actions is important to identify damage, ensure proper assembly, and detect contaminants.
Step-by-step explanation:
Before testing and following repair actions, it is important to visually inspect equipment for several reasons. Firstly, it allows you to identify any visible damage, such as loose connections, worn-out parts, or cracks, that may affect the equipment's performance or safety. Secondly, it helps ensure that the equipment is properly assembled and all necessary components are present. Lastly, visual inspection can also assist in detecting any contaminants or foreign objects that may have entered the equipment during the repair process.