Building of stages and stage scenery; consultancy and information concerning the construction of structures and stages; installation assembly of prefabricated structures and frameworks; maintenance and repair of computer hardware; installation, maintenance and repair of electrical devices for opening and closing curtains; installation, maintenance and repair of screens, LCD screens, led screens, interactive graphic screens, high resolution screens, projection screens, projection apparatus, le...

Wireless electronic apparatus, namely a portable and programmable wireless delivery system for live and recorded audio and text

Computer Programs Recorded on Discs and Tapes, and Printed Explanatory and Instructional Manuals Sold as a Unit Therefor