; spike construction.

Construction Source Result
Build Door Curtain + closed door curtain
Build Metal Door . empty metal door frame
Armor Reinforced Window # reinforced boarded up window # armored boarded up window
Armor Reinforced Window # reinforced boarded up window # armored boarded up window
Build Deep River Dock ~ flowing deep water | deep dock pile
Build Deep River Dock | deep dock pile # deep dock frame
Build Reinforced Glass Window . empty metal window frame
Build Butchering Rack ^ butchering rack
Build Junk Metal Barrier 0 pit LINE_OXOX junk metal barrier
Reinforce Junk Metal Wall using bolts LINE_OXOX junk metal barrier LINE_OXOX junk metal wall
Build Junk Metal Floor LINE_OXOX junk metal floor