Inside <shop> information is given where an equipment part was purchased.
Preferably, all <shop> elements are gathered inside the <business> section, so that they afterwards may easily be cross-referenced via <link/>.
<purchase>
(see also <purchase>)
<shop id="shop_the-deepdivers">
<name>The DeepDivers</name>
<address>
<!-- address data of shop where the equipment part was bought -->
</address>
<contact>
<!-- additional contact data (phone number, email address etc.) -->
</contact>
<notes>
<!-- additional remarks, pictures etc. -->
</notes>
</shop>