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
Technical barriers to trade defined as "Measures referring to technical regulations, and procedures for assessment of conformity with technical regulations and standards, excluding measures covered by the SPS Agreement". Here, technical barriers to trade refer to measures such as labelling requirements, standards on technical specifications and quality standards, and other measures protecting the environment. Chapter B also includes all conformity-assessment measures related to technical requirements, such as certification, testing and inspection. Other examples of TBTs are rules for product weight, size, or packaging; ingredient or identity standards; shelf-life restrictions; and import testing and certification procedures. The Agreement on Technical Barriers to Trade gives rules