lead - link
- line frequency current
- line frequency furnace
- line fringes
- line generator
- line grating
- line gravity field
- line grid
- line identification by the network
- line identifier
- line IDF
- line image
- line indexing
- line indicator (with holes for ruling)
- line indicator (with holes for ruling)
- line information
- line inspection
- line insulation test
- line intelligence
- line is looped
- line is restored
