You can build 7 kinds structures
GENERAL[]
WORKBENCH[]
ENGINEERING BENCH[]
WEAPONS BENCH[]
GEAR BENCH []
MEDICAL BENCH []
CONSTRUCTION BENCH []
BATTERY ARRAY []
RADIO RECEIVER[]
RADIO TOWER[]
WEO-WAY RADIO[]
WINDMAIL[]
RECYCLER[]
INCINERATOR[]
TRAINNING CENTER[]
ALLIANCE BANNER[]
STORAGE[]
FOOD STORAGE[]
WATER STORAGE[]
WOOD STORAGE[]
METAL STORAGE[]
SLOTH STORAGE[]
AMMO STORAGE[]
PRODUCTION[]
VEGETABLE GARDEN[]
WATER COLLECTOR[]
WOOD DROP OFF[]
METAL DROP OFF[]
CLOTH DROP OFF[]
AMMO DROP OFF[]
F.U.E.L GENERATOR[]
SECURITY[]
RALLY FLAG[]
SMALL BARRICADE[]
LARGE BARRICADE[]
GATE[]
COMFOUND DOOR[]
FLOODLIGHT[]
WATCHTOWER[]
BARRIER - SPIKES[]
BARRIER - WIRE[]
TRAPS[]
WIRE TRAP[]
DING DONG[]
DING DONG Ⅱ[]
DING DONG Ⅲ[]
SCATTERBOMB[]
SCATTERBOMB Ⅱ[]
SCATTERBOMB Ⅲ[]
WHEEL OF MISFORTUNE[]
DECOY DING DONG[]
DECOY DING DONG Ⅱ[]
DECOY DING DONG Ⅲ[]
DECOY SCATTERBOMB[]
DECOY SCATTERBOMB Ⅱ[]
DECOY SCATTERBOMB Ⅲ[]
DECOY W.O.M[]
COMFORT[]
BED[]
SHOWER[]
OUTHOUSE[]
KITCHEN[]
WASHING STATION[]
MISC[]