Material { 
      exposedField SFFloat ambientIntensity  0.2         # [0,1]
      exposedField SFColor diffuseColor      0.8 0.8 0.8 # [0,1]
      exposedField SFColor emissiveColor     0 0 0       # [0,1]
      exposedField SFFloat shininess         0.2         # [0,1]
      exposedField SFColor specularColor     0 0 0       # [0,1]
      exposedField SFFloat transparency      0           # [0,1]
    }