Mandatory skills of an Ex technician/operator

Minimum competencies:
General: Detailed knowledge of explosion protection (gas / dust)
Operative / technician: read hazardous area classification and design / installation / maintenance / detailed inspection

Further competencies (optional):
Non-electrical explosion protection: ISO 80079-36/-37
Repair: IEC 60079-19

Are you a technician on Ex field? pls check your competencies. It shall not be a one time practice, but more a daily if you agree.
Keep up good work!