1. Except as otherwise provided in this subsection, “worker” means a person whose primary occupation is to perform convention services work at a site. The term does not include a person whose primary occupation is to:
(a) Perform catering;
(b) Perform janitorial services;
(c) Perform photography;
(d) Provide security; or
(e) Provide, maintain or arrange floral decorations or displays.
2. As used in this section, “convention services work” includes, without limitation:
(a) Constructing, installing, maintaining, operating or removing trade show or exhibition displays;
(b) Loading or unloading equipment and materials;
(c) Erecting or dismantling booths and structures;
(d) Rigging display areas; and
(e) Installing temporary electrical power for use in display areas.