Ultrasonic sensors; laser sensors for mechanical cleaning and piping inspection apparatus; radio sensors; surface acoustic wave sensors; ultrasonic apparatus for dental measuring; ultrasonic flaw detectors; downloadable and recorded computer software for operating equipment used for technical inspections; downloadable and recorded computer software for technical data analysis

Decoking services, namely, cleaning of fired heaters and pipes to remove coke deposits; cleaning of fired heater pipes and tubes; maintenance of fired heater pipes and tubes