The following prefabs were obtained from PrefabLand (http://www.nin64.com/prefabland).
Please read any accompanying text in the prefab .zip files for specific
author instruction.  As always, when using someone elses prefab, be sure to
adhere to their wishes and give them credit where credit is due.
.
232 - Cobra ACE turret
233 - Cobra AFE turret
234 - Cobra AWE turret
235 - Switches
236 - Hexagonal Iris Door
237 - Latched Key Door
238 - Doorway
239 - Exit Door
240 - Floor Hatch
241 - Security Door
242 - StroggPanzer turret
243 - StroggPanzer 2 turret
245 - Strogg Container
246 - Submarine Hatch
41 - Tube1
112 - Suspension Bridge
183 - Chain Bar Windows
184 - NSW Ladders
185 - Wedge Column
186 - NSW Columns
187 - Recessed Floor Light
188 - Wall Light
189 - Crystals
206 - Hanger Door
207 - Mine Door
208 - Iris Door
209 - Rotating Tunnel
217 - Cable Lift
218 - SBridge
219 - Rotating Rings
321 - Coke Machine
322 - Dr. Pepper Machine
323 - Trash Can
324 - Oriental Light 1
325 - Track Light
326 - Stasis Chamber
334 - NuclearMissile
343 - Gothic Arches
345 - Azr Q2 Door
346 - Bridge
347 - Azr Bridge
348 - Halls
349 - AzrDoor
350 - Conveyor
351 - Cable Car
352 - Cable Car 2
353 - Fan 5
354 - Gears
355 - Water Pipes
364 - Laser Bore