<?xml version="1.0" encoding="UTF-8"?>
<!-- Generated by http://luca.auditchain.finance -->
<!--2023-07-31 23.01.13-->
<link:linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://luca.auditchain.finance/report/role/InventoryComponents" xlink:href="report.xsd#InventoryComponents" xlink:type="simple" />
  <link:presentationLink xlink:role="http://luca.auditchain.finance/report/role/InventoryComponents" xlink:type="extended">
    <link:loc xlink:href="report.xsd#report_InventoryByCompomentHypercube" xlink:label="report_InventoryByCompomentHypercube" xlink:title="report_InventoryByCompomentHypercube" xlink:type="locator" />
    <link:loc xlink:href="report.xsd#report_InventoryByComponentLineItems" xlink:label="report_InventoryByComponentLineItems" xlink:title="report_InventoryByComponentLineItems" xlink:type="locator" />
    <link:presentationArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="report_InventoryByCompomentHypercube" xlink:to="report_InventoryByComponentLineItems" xlink:title="presentation: report_InventoryByCompomentHypercube to report_InventoryByComponentLineItems" xlink:type="arc" use="optional" priority="1" order="4" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://luca.auditchain.finance/report/role/InventoryComponents" xlink:type="extended">
    <link:loc xlink:href="report.xsd#report_InventoryByComponentLineItems" xlink:label="report_InventoryByComponentLineItems" xlink:title="report_InventoryByComponentLineItems" xlink:type="locator" />
    <link:loc xlink:href="report.xsd#report_InventoryByComponentRollUp" xlink:label="report_InventoryByComponentRollUp" xlink:title="report_InventoryByComponentRollUp" xlink:type="locator" />
    <link:presentationArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="report_InventoryByComponentLineItems" xlink:to="report_InventoryByComponentRollUp" xlink:title="presentation: report_InventoryByComponentLineItems to report_InventoryByComponentRollUp" xlink:type="arc" use="optional" priority="1" order="1" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://luca.auditchain.finance/report/role/InventoryComponents" xlink:type="extended">
    <link:loc xlink:href="report.xsd#report_InventoryByComponentRollUp" xlink:label="report_InventoryByComponentRollUp" xlink:title="report_InventoryByComponentRollUp" xlink:type="locator" />
    <link:loc xlink:href="report.xsd#report_FinishedGoods" xlink:label="report_FinishedGoods" xlink:title="report_FinishedGoods" xlink:type="locator" />
    <link:presentationArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="report_InventoryByComponentRollUp" xlink:to="report_FinishedGoods" xlink:title="presentation: report_InventoryByComponentRollUp to report_FinishedGoods" xlink:type="arc" use="optional" priority="1" order="1" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://luca.auditchain.finance/report/role/InventoryComponents" xlink:type="extended">
    <link:loc xlink:href="report.xsd#report_InventoryByComponentRollUp" xlink:label="report_InventoryByComponentRollUp" xlink:title="report_InventoryByComponentRollUp" xlink:type="locator" />
    <link:loc xlink:href="report.xsd#report_WorkInProgress" xlink:label="report_WorkInProgress" xlink:title="report_WorkInProgress" xlink:type="locator" />
    <link:presentationArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="report_InventoryByComponentRollUp" xlink:to="report_WorkInProgress" xlink:title="presentation: report_InventoryByComponentRollUp to report_WorkInProgress" xlink:type="arc" use="optional" priority="1" order="2" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://luca.auditchain.finance/report/role/InventoryComponents" xlink:type="extended">
    <link:loc xlink:href="report.xsd#report_InventoryByComponentRollUp" xlink:label="report_InventoryByComponentRollUp" xlink:title="report_InventoryByComponentRollUp" xlink:type="locator" />
    <link:loc xlink:href="report.xsd#report_RawMaterial" xlink:label="report_RawMaterial" xlink:title="report_RawMaterial" xlink:type="locator" />
    <link:presentationArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="report_InventoryByComponentRollUp" xlink:to="report_RawMaterial" xlink:title="presentation: report_InventoryByComponentRollUp to report_RawMaterial" xlink:type="arc" use="optional" priority="1" order="3" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://luca.auditchain.finance/report/role/InventoryComponents" xlink:type="extended">
    <link:loc xlink:href="report.xsd#report_InventoryByComponentRollUp" xlink:label="report_InventoryByComponentRollUp" xlink:title="report_InventoryByComponentRollUp" xlink:type="locator" />
    <link:loc xlink:href="report.xsd#report_Inventory" xlink:label="report_Inventory" xlink:title="report_Inventory" xlink:type="locator" />
    <link:presentationArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="report_InventoryByComponentRollUp" xlink:to="report_Inventory" xlink:title="presentation: report_InventoryByComponentRollUp to report_Inventory" xlink:type="arc" use="optional" priority="1" order="4" />
  </link:presentationLink>
</link:linkbase>