Keywords:
Additional devices, Amount of inspection, Belt conveyors, Bucket wheel excavator, Butt joints, Coal mining, Definitions, Dimensional control, Dredgers, Evaluations, Excavators, Flaw detection, Impact, Lignite, Mechanical engineering, Mining, Mining equipment, Quarrying, Radiographic testing, Shovel conveyor, Spreaders, Steel construction, Steel structures, Test specifications, Testing, Ultrasonic testing, Visual inspection (testing), Welded joints, Welds