Similar info from "unionproof.org"[1]:<p><i>Managers may notice a change in the language of employees because it becomes more formal and legal in nature. Employees may start using union words like “grievance,” “arbitration,” “job security,” “employee rights,” “prevailing wage” and “unfair labor practices.” They may also start asking their immediate supervisor or manager questions around these topics, so be sure you have a system in place for your front-line managers to report a change in employee behavior that could be an indication of organizing activity.</i><p>"Union Proof Certification" is a thing.<p>The Communications Workers of America describes typical employer tactics from the labor side.[2]<p>Historically, neither side is very creative, so once you know what the standard moves are, you know what to expect.<p>[1] <a href="https://blog.unionproof.com/are-you-missing-these-10-signs-of-union-organizing-activity/" rel="nofollow">https://blog.unionproof.com/are-you-missing-these-10-signs-o...</a><p>[2] <a href="https://unionbustingplaybook.com" rel="nofollow">https://unionbustingplaybook.com</a>