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+import me.modforgery.tesla.block.te.TileEntityPlasmaFurnace;%0A%0Aimport net.minecraft.block.BlockContainer;%0Aimport net.minecraft.tileentity.TileEntity;%0Aimport net.minecraft.world.World;%0A%0Apublic class BlockPlasmaFurnace extends BlockContainer%7B%0A%0A    @Override%0A    public TileEntity createNewTileEntity(World p_149915_1_, int p_149915_2_) %7B%0A        return new TileEntityPlasmaFurnace();%0A    %7D%0A

Create BlockPlasmaFurnace.java