Types of man made obstacle
- en abati (n) ➜
- en anti tank ditch (n) ➜
- en barrier (n) ➜
- en log crib (n) ➜
- en log hurdle (n) ➜
- en minefield (n) ➜
- en packer well (n) ➜
- en road crater (n) ➜
- en traffic cone (n) ➜
- en traffic obstruction device (n) ➜
- en wire obstacle (n) ➜
Links to other resources
- umbel.org /umbel/sc/ManMadeObstacle
- sw.opencyc.org /2012/05/10/concept/en/ManMadeObstacle