AD508 

1.
2.sgi
3.4.5.
6.VRML text
7.
8.Advanced Appearances 
9.
10.ProximitySensor
11.TouchSensor
12.VisibilitySensor
13. Billboard
14.
15.Viewpoint animatiom (coster)
16.
17.sound
18.
19. 
20.Background
21. 
22.Fog
23.MovieTexture
24.
25.
26.
27.your Web
28.