After six years of research and development, the technology is now in use after extensive verification by Siemens. The cassette can be employed in a wide range of uses at and below ground, a well as underwater and subsea; in the oil- and gas-pipeline industry, the company says it can be used in pigging work, for example, either outside or inside a pipeline. The range of problems which the cassette can investigate include determining the extent of pipeline wall thinning, as well pipes-in-pipes and other inaccessible areas. During recent development tests in Hungary, at a major gas refinery, fractures in pipelines were assessed under pressure, and hairline cracks were identified and their depths determined, both with high resolution. The company has established a new affiliate, Contrast-X UK Ltd, to handle international marketing into many industrial fields.