Complete the summary. Write NO MORE THAN TWO WORDS from the passage for each answer.

To mathematical calculate risk assessment, [1] stages need to be calculated.

The exposure score considers the amount of time employees spend working near the hazard.

The [2] then measures the probability of an accident, ranging from not likely to [3].

The results are then [4] by each other, and then again by the degree of seriousness of an accident. The highest ‘effect’ score is given when more than one person is killed (this is rated as a [5]).

When calculated, a result of 200 or more is considered [6].