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	<element nillable='true' type='dtr-types:textBlockItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' id='fil_ContractAssetsAndLiabilitiesTextBlock' name='ContractAssetsAndLiabilitiesTextBlock'/>
	<element nillable='true' type='dtr-types:textBlockItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' id='fil_ScheduleOfNotesPayableRelatedPartyTblTextBlock' name='ScheduleOfNotesPayableRelatedPartyTblTextBlock'/>
	<element abstract='true' nillable='true' type='dtr-types:domainItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' id='fil_President1Member' name='President1Member'/>
	<element abstract='true' nillable='true' type='dtr-types:domainItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' id='fil_SbaEidlLoanMember' name='SbaEidlLoanMember'/>
	<element abstract='true' nillable='true' type='dtr-types:domainItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' id='fil_EmployeeStockOption1Member' name='EmployeeStockOption1Member'/>
	<element abstract='true' nillable='true' type='dtr-types:domainItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' id='fil_N2017LongTermIncentivePlanMember' name='N2017LongTermIncentivePlanMember'/>
	<element abstract='true' nillable='true' type='dtr-types:domainItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' id='fil_N2015LongTermIncentivePlanMember' name='N2015LongTermIncentivePlanMember'/>
	<element nillable='true' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' xbrli:balance='debit' id='fil_AdoptionOfAsc842RouAsset' name='AdoptionOfAsc842RouAsset'/>
	<element nillable='true' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' xbrli:balance='debit' id='fil_AdoptionOfAsc842RouLiability' name='AdoptionOfAsc842RouLiability'/>
	<element nillable='true' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='instant' xbrli:balance='debit' id='fil_OperatingLeaseImputedInterest' name='OperatingLeaseImputedInterest'/>
	<element nillable='true' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='instant' xbrli:balance='credit' id='fil_PrepaymentOfPurchaseCommitmentsForInventory' name='PrepaymentOfPurchaseCommitmentsForInventory'/>
	<element nillable='true' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='instant' xbrli:balance='credit' id='fil_CommitmentsForFutureCashOutlaysForInventory' name='CommitmentsForFutureCashOutlaysForInventory'/>
	<element nillable='true' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' xbrli:balance='credit' id='fil_CommonStockIssuedForTradePayable' name='CommonStockIssuedForTradePayable'/>
	<element nillable='true' type='xbrli:sharesItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' id='fil_CommonStockIssuedForTradePayableShare' name='CommonStockIssuedForTradePayableShare'/>
	<element nillable='true' type='xbrli:decimalItemType' substitutionGroup='xbrli:item' xbrli:periodType='instant' id='fil_OperatingLeasesIncrementalBorrowingRate' name='OperatingLeasesIncrementalBorrowingRate'/>
	<element nillable='true' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='instant' xbrli:balance='debit' id='fil_AccountsReceivableRelatedParties1' name='AccountsReceivableRelatedParties1'/>
	<element nillable='true' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='instant' xbrli:balance='credit' id='fil_AccruedManagementCompensation' name='AccruedManagementCompensation'/>
	<element nillable='true' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='instant' xbrli:balance='credit' id='fil_AccountsPayableRelatedParties' name='AccountsPayableRelatedParties'/>
	<element nillable='true' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='instant' xbrli:balance='credit' id='fil_NotesPayableRelatedPartiesCurrentPortion' name='NotesPayableRelatedPartiesCurrentPortion'/>
	<element nillable='true' type='dtr-types:perShareItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' id='fil_BasicAndDilutedLossPerShare' name='BasicAndDilutedLossPerShare'/>
	<element nillable='true' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='instant' xbrli:balance='credit' id='fil_NotesPayableRelatedParties' name='NotesPayableRelatedParties'/>
	<element nillable='true' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' xbrli:balance='debit' id='fil_MonthlyOperatingExpense' name='MonthlyOperatingExpense'/>
	<element nillable='true' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' xbrli:balance='debit' id='fil_CashPaidForOperatingLeaseLiabilities' name='CashPaidForOperatingLeaseLiabilities'/>
	<element nillable='true' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' xbrli:balance='debit' id='fil_WrittenOffProvisionOfObsoleteInventory' name='WrittenOffProvisionOfObsoleteInventory'/>
	<element nillable='true' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' xbrli:balance='credit' id='fil_AllowanceForObsoleteInventory' name='AllowanceForObsoleteInventory'/>
	<element nillable='true' type='xbrli:sharesItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' id='fil_WeightedAverageNumberOfCommonSharesOutstandingDiluted' name='WeightedAverageNumberOfCommonSharesOutstandingDiluted'/>
	<element abstract='true' nillable='true' type='dtr-types:domainItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' id='fil_TwoBoardMembersForServicesMember' name='TwoBoardMembersForServicesMember'/>
	<element nillable='true' type='xbrli:sharesItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' id='fil_OptionsToPurchaseCommonStockAtAnExercisePriceOf0286PerShareExpired' name='OptionsToPurchaseCommonStockAtAnExercisePriceOf0286PerShareExpired'/>
	<element nillable='true' type='dtr-types:textBlockItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' id='fil_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTblTextBlock' name='ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTblTextBlock'/>
	<element nillable='true' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='instant' xbrli:balance='debit' id='fil_DeferredTaxIncomeTaxBenefitAtFederalStatutoryRate' name='DeferredTaxIncomeTaxBenefitAtFederalStatutoryRate'/>
	<element nillable='true' type='xbrli:sharesItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' id='fil_WeightedAverageNumberOfCommonSharesOutstandingBasic' name='WeightedAverageNumberOfCommonSharesOutstandingBasic'/>
	<element nillable='true' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' xbrli:balance='debit' id='fil_WriteOffOfContractAsset' name='WriteOffOfContractAsset'/>
	<element nillable='true' type='dtr-types:textBlockItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' id='fil_OperatingLeasesOfLesseeDisclosureTextBlock0TextBlock' name='OperatingLeasesOfLesseeDisclosureTextBlock0TextBlock'/>
	<element nillable='true' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='instant' xbrli:balance='credit' id='fil_InventoryValuationReservesOpeningAllowance' name='InventoryValuationReservesOpeningAllowance'/>
	<element nillable='true' type='xbrli:monetaryItemType' substitutionGroup='xbrli:item' xbrli:periodType='instant' xbrli:balance='credit' id='fil_AdditionalAllowanceCreatedDuringTheYear' name='AdditionalAllowanceCreatedDuringTheYear'/>
	<element nillable='true' type='dtr-types:textBlockItemType' substitutionGroup='xbrli:item' xbrli:periodType='duration' id='fil_DisclosureOfContingentLiabilityTextBlock' name='DisclosureOfContingentLiabilityTextBlock'/>
</schema>
