Add lb/mil² and Wh/lbs (#1092)

Co-authored-by: rutemja <rutemja@wuh-group.com>

Author: rutemja

Common/UnitDefinitions/Pressure.json

@@ -213,6 +213,20 @@
         }
       ]
     },
+    {
+      "SingularName": "PoundForcePerSquareMil",
+      "PluralName": "PoundsForcePerSquareMil",
+      "FromUnitToBaseFunc": "{x} * 6.894757293168361e9",
+      "FromBaseToUnitFunc": "{x} / 6.894757293168361e9",
+      "Prefixes": [ "Kilo" ],
+      "Localization": [
+        {
+          "Culture": "en-US",
+          "Abbreviations": [ "lb/mil²", "lbs/mil²" ],
+          "AbbreviationsForPrefixes": { "Kilo": "kipf/mil²" }
+        }
+      ]
+    },
     {
       "SingularName": "PoundForcePerSquareFoot",
       "PluralName": "PoundsForcePerSquareFoot",

Common/UnitDefinitions/SpecificEnergy.json

@@ -86,6 +86,19 @@
         }
       ]
     },
+    {
+      "SingularName": "WattHourPerPound",
+      "PluralName": "WattHoursPerPound",
+      "FromUnitToBaseFunc": "{x} * 7.93664e3",
+      "FromBaseToUnitFunc": "{x} / 7.93664e3",
+      "Prefixes": [ "Kilo", "Mega", "Giga" ],
+      "Localization": [
+        {
+          "Culture": "en-US",
+          "Abbreviations": [ "Wh/lbs" ]
+        }
+      ]
+    },
     {
       "SingularName": "BtuPerPound",
       "PluralName": "BtuPerPound",