應知道消除和減少風險的方法和適用性：可能產生危害的程度和可能性：

應知道消除和減少風險的方法和適用性：可能產生危害的程度和可能性：

Results (English) 1:

Should know to eliminate and reduce risks and applicability: the extent of possible harm and possibility:

Results (English) 2:

You should know that eliminate or reduce the risk-based approach and applicability: the possible magnitude and likelihood of harm:

Results (English) 3:

Should be aware of the ways and the applicability of the elimination and reduction of risk: the extent and the possibility of possible harm: