WTTI is equipped for the specialized training of welding with sixty work stations available in the shop area for the training of gas welding/cutting, electric arc welding, and the semi-automatic processes. Fully equipped classrooms support in-shop training with lessons in theory. Theory is enhanced by the use of visual aids such as slides, videos, and instructional handouts. Welder Training & Testing Institute (WTTI) has been supporting the domestic and international welding industry's demand for Training, Certification, and Inspection since 1968.