Here is an OSHA resource for topics to incorporate into your workplace safety meetings and even assist you with developing and fine-tuning your safety procedures: https://www.osha.gov/SLTC/. OSHA has listed the topics alphabetically.
According to OSHA: “OSHA’s Safety and Health Topics webpages provide information on specific safety and health hazards, as well as specific hazard information on different industries. These pages provide information on hazard identification and control, as well as existing OSHA standards where applicable. This information can be helpful to employers in complying with OSHA standards.”