just thick enough that they join with the edges of the steps, which makes them thicker at the bottom by about 3x and leaves gaps under them in the crevice of the steps. The suitcase (well, big steamer trunk size) nuke was actually planted in the left D/C gap under the ramp, so late 2013 and on that one's been filled in with an antiradiation cap due to radioactive material that got fused into the surface. While not polished or anything the wavesteel it's made of is about as smooth as dressed stone for the
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"Anko, what you do in your free time is your own choice. Use it wisely. And if you do not use it wisely, make sure you thoroughly enjoy whatever unwise thing you are doing." - HymnOfRagnorok as Orochimaru at SpaceBattles
woot Med. Eng., verb, 1st & 3rd pers. prsnt. sg. know, knows
--
"Anko, what you do in your free time is your own choice. Use it wisely. And if you do not use it wisely, make sure you thoroughly enjoy whatever unwise thing you are doing." - HymnOfRagnorok as Orochimaru at SpaceBattles
woot Med. Eng., verb, 1st & 3rd pers. prsnt. sg. know, knows