9 Portable and fixed ultrasonic and electromagnetic acoustic transducer-based inspection equipment for use in testing metal-based tubular goods, namely ultrasonic and electromagnetic acoustic transducers; electronic ultrasonic and electromagnetic acoustic transducer processing, testing, and monitoring equipment, namely computer processors, digitizers, encoders, tone-burst transmitters and receivers for generating, receiving and processing ultrasonic and electromagnetic acoustic transducer output, and customized computer hardware and software programs for generating, processing, and analyzing ultrasonic waveforms