prim - prod
- primary circuit
- primary data
- primary defect
- primary element
- primary erosion
- primary error
- primary event
- primary failure
- primary fault
- primary float
- primary function
- primary instrument
- primary maintenance
- primary mode
- primary part
- primary product
- primary sampling unit
- primary slack
- primary unification
- primary unit
- primary [prime] cause
- primary [prime] standard
- primary [principal] factor
- prime
- prime contract
- prime manufacturer
- prime product
- prime quality
- principal block
- principal cause
- principal component
- principal component analysis
- principal error
- principal factor analysis
- principal fraction
- principal item
- principal stage
- principal stress
- principal subsystem
- principle
