This video follows the careful weld repair of a cracked cylinder, highlighting technique, patience, and precision. What makes ...

A crack along a weld caused the Keystone Pipeline to leak approximately 147,000 gallons of oil in southeast North Dakota. The pipeline was temporarily shut down in April, and the leaking section of ...

Abstract: The aim of this research is to identify the cracks on concrete walls and classify them into voids, cracks and micro thin cracks. It is imperative to plan an optimal repair technique that ...