<manufacturer>, <model>, <name>, <nextservicedate> <notes>, <purchase>, <serialnumber>, <serviceinterval>
(see also <equipment>)
<equipment>
<lead id="my_lead">
<name>lead</name>
<manufacturer>
<name>Lead Manufacturer</name>
</manufacturer>
<purchase>
<date>
<year>1967</year><month>7</month><day>9</day><dayofweek>7</dayofweek> <!-- Sunday -->
</date>
<price currency="DM">6.00</price>
<shop>
<name>selfmade</name>
<address>
<!-- address of shop -->
</address>
<contact>
<!-- phone number, email address etc. -->
</contact>
<notes>
<!-- additional remarks -->
</notes>
</shop>
</purchase>
<!-- kein Serviceinterval -->
</lead>
</equipment>