‘Strike’ means any concerted:

1.  Stoppage of work, slowdown or interruption of operations by employees of the State of Nevada or local government employees;

2.  Absence from work by employees of the State of Nevada or local government employees upon any pretext or excuse, such as illness, which is not founded in fact; or

3.  Interruption of the operations of the State of Nevada or any local government employer by any employee organization or labor organization.