Visual examinations are carried out at the manufacturing stages, as well, as at the end of the process, on finished elements. A very important element is the preparation process for welding. At this stage, we can eliminate some errors, which later will not affect the negative assessment of the connector. Visual tests are a surface method carried out directly with the help of a gravity meter and indirectly using a fiberscope or video endoscope. We perform visual inspections of VT in accordance with applicable standards or procedures indicated by the Client