NRS 618.9925: “Worker” defined.

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.