SYSTEM
OBJECT
SELECT

Object:Pick
Object:Projection
Object:Cross Section
Object:Surface
Object:Next
Object:Prev
Object:Up
Object:Down
Object:By Name
Collect:Actives
Collect:Display
Collect:Selection
File:Write
Read:Object

CURVE
SURFACE
BUILD
TRANSF
DIMENS
TRIM
FORMAT
PLOT
DISPLAY
SCENE
TEXTURE
RENDER
EXTRACE