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          <link:definition>999010 - Disclosure - NOTE 4 &#8211; INVENTORIES</link:definition>
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          <link:definition>999011 - Disclosure - NOTE 5 &#8211; ACCOUNTS RECEIVABLE</link:definition>
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          <link:definition>999012 - Disclosure - NOTE 6 &#8211; CONTRACT LIABILITIES</link:definition>
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          <link:definition>999014 - Disclosure - NOTE 8 &#8211; STOCKHOLDERS&#8217; EQUITY</link:definition>
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          <link:definition>999015 - Disclosure - NOTE 9 &#8211; SEGMENT INFORMATION</link:definition>
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          <link:definition>999016 - Disclosure - NOTE 10 &#8211; RELATED PARTY TRANSACTIONS</link:definition>
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          <link:definition>999017 - Disclosure - NOTE 11 &#8211; PREPAYMENTS AND OTHER ASSETS</link:definition>
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          <link:usedOn>link:calculationLink</link:usedOn>
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          <link:definition>999018 - Disclosure - NOTE 12 &#8211; LOSS PER SHARE</link:definition>
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          <link:usedOn>link:calculationLink</link:usedOn>
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          <link:definition>999020 - Disclosure - NOTE 14 &#8211; REDEEMABLE NON-CONTROLLING INTEREST</link:definition>
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          <link:definition>999022 - Disclosure - NOTE 16 &#8211; SUBSEQUENT EVENTS</link:definition>
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          <link:definition>999025 - Disclosure - NOTE 4 &#8211; INVENTORIES (Tables)</link:definition>
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          <link:definition>999034 - Disclosure - NOTE 1 &#8211; Summary of Significant Accounting Policies (Details Narrative)</link:definition>
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          <link:usedOn>link:calculationLink</link:usedOn>
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          <link:usedOn>link:calculationLink</link:usedOn>
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          <link:definition>999046 - Disclosure - NOTE 13 &#8211; CONVERTIBLE DEBT AND DERIVATIVE LIABILITY (Details Narrative)</link:definition>
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          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
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        <link:roleType roleURI="http://scth/role/RedeemableNon-controllingInterestDetails" id="RedeemableNon-controllingInterestDetails">
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          <link:usedOn>link:calculationLink</link:usedOn>
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          <link:usedOn>link:calculationLink</link:usedOn>
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    <element id="scth_CFICapitalLLCConvertibleMember" name="CFICapitalLLCConvertibleMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
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    <element id="scth_BootCapitalLLCMember" name="BootCapitalLLCMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
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    <element id="scth_NetIncomeLossAttributableToCommonStockForEpsCalculation" name="NetIncomeLossAttributableToCommonStockForEpsCalculation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
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    <element id="scth_NetProfitLossAttributableToRedeemableNoncontrollingInterests" name="NetProfitLossAttributableToRedeemableNoncontrollingInterests" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
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    <element id="scth_StockIssuedDuringPeriodValueIssuedForServices1" name="StockIssuedDuringPeriodValueIssuedForServices1" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
</schema>
