Handwash sink missing, blocked, or used for other purposes, or missing soap, towels, or the handwash sign.
Plumbing not installed or maintained properly — leaks, mop sink issues, unserviced water filters, or missing backflow prevention.
Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.
Employee jackets, phones, drinks, or other personal items stored where they can contaminate food.