Planning
Acceptance (approval)
Communication networks
Computer software
Electrical components
Electronic equipment and components
Safety engineering
Computer programs
Safety devices
Performance testing
Selection
Quality assurance
Life cycle
Maintenance
Failure (quality control)
Design
Equipment safety
Electrical safety
Programming languages
Interfaces (data processing)
Operating systems (computers)
Error detection
Computer applications
Data layout
Programmable
Electrical equipment
Modification
Verification