runway touchdown zone is a type of…
- en object surface (n) ➜
- en straightness (n) ➜
- en wheeled vehicle route (n) ➜
Links to other resources
- umbel.org /umbel/sc/AirplaneRunway_TouchdownZone
- sw.opencyc.org /2012/05/10/concept/en/AirplaneRunway_TouchdownZone