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What is 4STEP/M?
No Step Solution Details
1 (1) Minimum
Encounter
drop/stop To consider stopping the procedure.
2 (2) Minimum
Probablity
unable Changing the procedure, structure, or regulation for incident
prevention.
3 identify easier Optimizing colors or indicators for easy recognition.
4 process/way easier Improving the process or way.
5 keep perception skill well Keeping perception skill well (Keeping capability well
considering my wellness, sleepiness, or age)
6 cognition/expectation Training to expect the possibility of hazards and their
causes( dangerous points, mistakes, etc).
7 keep safe To keep awareness for prioritizing safety and security.
8 keep possibility well Quality assurance for machine or human factors
(manipulators' wellness, training, etc.)
9 (3)Multiple
Detection
check by myself Re-check, pointing and calling (occupational safety
method),etc
10 detection Detect mistakes using the checklist.
11 (4) Minimum
Damage
prepare for accidents Prepare for the incident (planning for mitigate the failure,
contingency plan, insurance, risk management, etc.)
Figure: how to resolve the problems using 4STEP/M method.
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