Generate a full detail guide on basic workplace safety and ergonomics for a small office-based business. The guide must be a practical compliance checklist. It should include detailed sections on: 1. A simple overview of OSHA's purpose for small businesses. 2. An ergonomic checklist for setting up computer workstations correctly. 3. A guide to common workplace hazards (e.g., trip hazards, fire safety). 4. A template for a simple workplace safety policy. 5. Where to find official resources for your specific industry and location. Please include a strong disclaimer to consult official OSHA guidelines and local regulations.