42 Nondestructive examination services, technical, mechanical, and inspection services for equipment, machinery, pipelines, refineries, plants, and tankers for the petroleum, petrochemical and power industries, namely, acoustic emission testing, dye and liquid penetrant examination, electromagnetic testing, guided wave testing, infrared thermography, leak testing, positive material identification, radiographic testing, specialized techniques for specific damage mechanisms, visual inspection, code compliance inspection services, turnaround inspection services, in-service equipment inspections, and data audits of such inspections provided in connection therewith