Isolation (illusion) important developments was the combination of crystal ball isolations and body-popping/locking/waving dance styles, as seen in the styles of, amongst others, Nik Robson and Matt Hennem in the '90s. Isolation (illusion) In contact juggling, poi spinning, hooping and other types of object manipulation, an isolation is an illusion whereby a prop appears to float in space, with the performer's hands and body moving around it. In reality the performer is supporting the prop, and countering his or her movement relative to the prop. Michael Moschen is originally credited for developing several of the techniques for ball isolations (as well as
Civil Engineering Body of Knowledge Thinking, Engineering Economics, Manufacturing and Construction, Operations and Maintenance, Quality Control and Quality Assurance, and Safety." ASCE recognized in the 1999 Committee's work that a body of specialized knowledge was required for the practice of civil engineering. This body of professional knowledge had four components: a technical and non-technical core knowledge elements, technical knowledge electives, and technical and non-technical learning to support an individual's career objectives. Creating a body of knowledge for the civil engineering profession was as complicated as any mega-project a civil engineer might attempt. In the United States, the body of knowledge necessary to obtain a license