supply channel - target slump
- switch end of a turnout
- switch heater
- switch heel
- switch plate
- switch point
- switch rail
- switch rod
- switch room
- switch tamping
- switch tie
- switch-on point
- switch-point derail
- switch-point derailer
- switch-point guard rail
- switch-point roller
- switch-point tip
- switchboard
- switchboard room
- switchbox
- switcher