What do you mean by two orders and four cards?

Two instructions: Prepare "Checklist for Identification of Dangerous (Harmful) Factors and Safety Risk Classification Control List"

Four cards: formulate "employee's risk characteristics awareness card, safety responsibility commitment card, and disposal method emergency card".

Eight musts: major risk sources must be mastered, emergency measures must be available, disposal plans must be clear, protective measures must be complete, post personnel must be skilled in handling risks, enterprise leaders must be clear about risk points, supervisors must master emergency measures, and regulatory authorities must know territorial safety plans.