recommendation on how to prevent workplace violence

thestar.com/news/gta/2018/11/30/police…
DO NOT USE THESE 3 WAYS, MAKE UP ANOTHER 3 WAYS OF PREVENTION ( the three ways already used in my paper: “create a policy that prevents harassment.The second way to prevent workplace violence is to create a supportive environment. The third way to prevent workplace violence is to train employees to recognize warning signs”) do not make up any three ways like the ones in the brackets
Extra resources
Workplace violence program samples: https://carleton.ca/ehs/wp-content/uploads/WorkplaceViolencePreventionProgram_March201111.pdf
https://www.nji-inm.ca/index.cfm/about/workplace-violence-and-harassment-prevention-policy-top/workplace-violence-program/?langSwitch=en
Niagara Police Policies:
https://www.niagarapolice.ca/en/contentresources/resources/who-we-are/Equal_Opportunity_Discrimination_and_Workplace_Harassment_Prevention_-_331-2012.pdf
https://www.niagarapolice.ca/en/contentresources/resources/who-we-are/Ontario-Health-and-Safety-Act-for-Violence-and-Harassment-Prevention-in-the-Workplace—OHSA—362-2016.pdf