@Override
    public void readFromNBT(NBTTagCompound compound) {
        super.readFromNBT(compound);

        isFormed = compound.getBoolean("isFormed");
        checkBefore = compound.getBoolean("checkBefore");

        byte size = compound.getByte("Size");
        components.clear();

        for (int i = 0; i < size; i++) {
            String str = compound.getString("component" + i);
            components.add(MachineComponents.getFromString(str));
        }
    }

    @Override
    public void writeToNBT(NBTTagCompound compound) {
        super.writeToNBT(compound);

        compound.setBoolean("isFormed", isFormed);
        compound.setBoolean("checkBefore", checkBefore);

        compound.setByte("Size", (byte)components.size());

        for (int i = 0; i < components.size(); i++) {
            compound.setString("component" + i, components.get(i).getLocalizedName());
        }
    }