41   NistMgr-> FindOrBuildMaterial(
"G4_Al");
 
   42   NistMgr-> FindOrBuildMaterial(
"G4_Si");
 
   43   NistMgr-> FindOrBuildMaterial(
"G4_Ar");
 
   44   NistMgr-> FindOrBuildMaterial(
"G4_Cu");
 
   45   NistMgr-> FindOrBuildMaterial(
"G4_Fe");
 
   46   NistMgr-> FindOrBuildMaterial(
"G4_Ge");
 
   47   NistMgr-> FindOrBuildMaterial(
"G4_Ag");
 
   48   NistMgr-> FindOrBuildMaterial(
"G4_W");
 
   49   NistMgr-> FindOrBuildMaterial(
"G4_Au");
 
   50   NistMgr-> FindOrBuildMaterial(
"G4_Pb");
 
   52   NistMgr-> FindOrBuildMaterial(
"G4_AIR");
 
   53   NistMgr-> FindOrBuildMaterial(
"G4_Galactic");
 
   54   NistMgr-> FindOrBuildMaterial(
"G4_WATER");
 
   55   NistMgr-> FindOrBuildMaterial(
"G4_CESIUM_IODIDE");
 
   56   NistMgr-> FindOrBuildMaterial(
"G4_SODIUM_IODIDE");
 
   57   NistMgr-> FindOrBuildMaterial(
"G4_PLASTIC_SC_VINYLTOLUENE");
 
   58   NistMgr-> FindOrBuildMaterial(
"G4_MYLAR");
 
static G4NistManager * Instance()