The employee should be able to use the following machines, tools, equipment, and work aids which may be representative, but not all inclusive, of those commonly associated with this type of work: pen, pencil, pointer, stylus, projector, public address system, tape recorder, blackboard, chalk, charts, diagrams, examinations, manuals, maps, publications, reference books, textbooks, and computers. Long-term sub rate for a full day is $100 for days 1-15, then $140 (with substitute permit) or the master contract daily rate (with teaching license) for days 16-90.