Assertion: fortress's wall | /r/HasProperty | strong
Facets:
Source sentences:
text: A rubble-built wall fastened with mortar was strong and long lasting.
text: Every wall in the barn must be solid, there should be no doors in the barn, this is where the hay bales come into play, along the side of the barn, punch a hole that's roughly door sized, and use hay bales to fill it in, this will prevent zombies from using door logic to try and break into your fort, making them go through whatever path pleases them; however, you could use doors if only to produce a path that's highly likely to draw zombies along as well.
text: The stores and accommodations might be within the shell’s hollow walls, or the walls might be solid stone and surround the donjon and various other freestanding buildings.
text: The inner wall is a solid structure, 4.5–6 m thick and 12 m high.
text: An artillery fort has strong walls and parapets with embrasures: gaps for cannons to fire through at attackers.