Xavfli hodisaning sabablarini va oqibatlarining rivojlanish yo’lini tavsiflash va tahlil qilishning sxematik usuli
Hazard – xavf​
Threat – tahdid​
Top event – eng sara tadbirlar​
Consuquence – natija ​
Policy-siyosat​
Activity-faoliyat​
Procedure-jarayon​
Integrated menegment system-birlashtirilgan boshqaruv tizimi