place in nomad/assets/data/shops/dammathMechanic.xml

<?xml version="1.0"?>
<shop profitratio="1.25">
<inventoryitem name="scrap metal" probability="50" quantity="20" cost="50"/>
<inventoryitem name="scrap metal" probability="50" quantity="10" cost="50"/>
<inventoryitem name="scrap metal" probability="50" quantity="5" cost="50"/>
<inventoryitem name="battery" probability="50" quantity="2" cost="200"/>
<inventoryitem name="heavy plate" probability="50" quantity="2" cost="200"/>
<inventoryitem name="computation valve" probability="50" quantity="2" cost="200"/>
<inventoryitem name="battery" probability="50" quantity="1" cost="200"/>
<inventoryitem name="heavy plate" probability="50" quantity="1" cost="200"/>
<inventoryitem name="computation valve" probability="50" quantity="1" cost="200"/>
<inventoryitem name="optics" probability="50" quantity="1" cost="300"/>
<inventoryitem name="optics" probability="25" quantity="2" cost="300"/>
</shop>