educational and training services, namely, providing training programs and courses of instruction in the janitorial field and the distribution of course materials in connection therewith

prerecorded video tapes and CD-ROM disks featuring educational and training information in the field of janitorial services; computer software for documentation, tracking, and education of cleaning standards in the field of janitorial and cleaning management provided as a component of a comprehensive program; laboratory swabs used to mark a hard surface with a fluorescent compound that shows up under ultraviolet light used in training and inspections to validate cleaning procedures