42 Inspection of industrial equipment and machinery such as pumps, agitators, hydraulic cylinders, valves, and heat exchangers; Diagnostic services in the field of industrial equipment and machinery such as pumps, agitators, hydraulic cylinders, valves, and heat exchangers; Assessment of the condition of industrial equipment and machinery such as pumps, agitators, hydraulic cylinders, valves, and heat exchangers to ensure proper functioning; Consultation in the field of calibration of industrial equipment and machinery such as pumps, agitators, hydraulic cylinders, valves, and heat exchangers