The Association and its officials will not cause, support, encourage, or condone, nor shall any Employee or Employees take part in any concerted action against or any concerted interference with the operations of the Employer, such as the failure to report for duty, the absence from one's position, the stoppage of work, or the failure, in whole or in part, to fully, faithfully, and properly perform the duties of employment. Nothing in this paragraph shall be construed to limit individual participation in an activity that is unrelated to the employment relationship.