oper - over
- operability
- operability and maintainability hazards
- operability of invention
- operability of process
- operability of the mental concept
- operate on a voltage hub basis
- operated circuit
- operated condition
- operated powered device
- operating account
- operating and service manual
- operating angle
- operating area
- operating band
- operating bidder
- operating clearance
- operating console
- operating contact
- operating control
- operating cost breakdown
- operating cost(s)
- operating cost(s)
- operating costs analysis
- operating cycle
- operating decisions
- operating deck
- operating displacement
- operating doctrine
- operating draft
- operating efficiency
- operating engineer
- operating environment
- operating expenses
- operating experience
- operating factor
- operating failures
- operating flow
- operating force
- operating gaming
- operating gap
