Create a new production order (Manufacture / Operations / Manufacturing Orders)
with a multi-levels nomenclatured product, and related products configured with
'Manufacture' and 'Make To Order' routes:

.. figure:: ../static/description/mrp_production_hierarchy_1.png

Once saved, click on the 'Hierarchy' button at right:

.. figure:: ../static/description/mrp_production_hierarchy_2.png

.. figure:: ../static/description/mrp_production_hierarchy_3.png
