liqu - lox
- locked route
- locking
- locking bar
- locking bolt
- locking bolt spring
- locking box
- locking control voltage
- locking cup
- locking device
- locking handle
- locking lever
- locking nut
- locking of wheels
- locking phase
- locking pin
- locking relay
- locking safety pin
- locking sleeve
- locking wire hole
- lockout jack
- lockup pressure
- lockup valve
- locomotive crew
- locomotive depot
- locomotive kilometer
- locomotive performance
- locomotive turn over
- lodging of complaints
- log
- log and dirt dugout
- log barricade
- log elevator
- log emplacement
- log periodic dipole
- log shelter
- log tread
- log tread road
- log trestle bent
- logarithmic amplifier
- logarithmic output
