Added more codes (instances) to cover all Shutdown data

@@ -61,6 +61,10 @@
       rdf:type :ShutdownContent ;
       rdfs:label "Gas Injection Shutdown"^^xsd:string .
 
+:High_Activity_Period
+      rdf:type :ShutdownPeriod ;
+      rdfs:label "High Activity Period"^^xsd:string .
+
 :Independent_of_Shutdown
       rdf:type :ShutdownOperation ;
       rdfs:label "Independent of Shutdown"^^xsd:string .
@@ -89,6 +93,10 @@
       rdf:type :ShutdownType ;
       rdfs:label "Revision Shutdown"^^xsd:string .
 
+:Safety_Test_Shutdown
+      rdf:type :ShutdownContent ;
+      rdfs:label "Safety Test Shutdown"^^xsd:string .
+
 :Scheduled_Shutdown
       rdf:type :ShutdownType ;
       rdfs:label "Scheduled Shutdown"^^xsd:string .
@@ -123,10 +131,18 @@
       rdfs:label "Shutdown type"^^xsd:string ;
       rdfs:subClassOf owl:Thing .
 
+:Shutdown_Period
+      rdf:type :ShutdownPeriod ;
+      rdfs:label "Shutdown Period"^^xsd:string .
+
 :Shutdown_not_evaluated
       rdf:type :ShutdownOperation ;
       rdfs:label "Shutdown not evaluated"^^xsd:string .
 
+:System_Shutdown
+      rdf:type :ShutdownContent ;
+      rdfs:label "System Shutdown"^^xsd:string .
+
 :Train_Shutdown
       rdf:type :ShutdownContent ;
       rdfs:label "Train Shutdown"^^xsd:string .