{
this.craftingCPUClusters.clear();
for (IGridNode cst : this.grid.getMachines( TileCraftingStorageTile.class ))
{
TileCraftingStorageTile tile = (TileCraftingStorageTile) cst.getMachine();
CraftingCPUCluster cluster = (CraftingCPUCluster) tile.getCluster();
if ( cluster != null )
{
this.craftingCPUClusters.add( cluster );
if ( cluster.myLastLink != null )