42 Industrial x-ray inspection services; Industrial x-ray inspection services, namely inspecting industrial x-ray equipment for compliance with safety requirements; Inspecting industrial x-ray equipment for quality control purposes; Inspecting industrial x-ray equipment for safety assurance and regulatory compliance purposes; Calibration of industrial testing equipment; Inspection of industrial equipment, industrial machinery, manufacturing equipment, manufactured goods, manufactured products, consumer goods, artwork, agricultural products, and agricultural animals for quality control purposes