diff --git a/data/life_cycle_assessment/lca_data.xml b/data/life_cycle_assessment/lca_data.xml
index c2a55e20..a211543f 100644
--- a/data/life_cycle_assessment/lca_data.xml
+++ b/data/life_cycle_assessment/lca_data.xml
@@ -204,7 +204,7 @@
             <landfilling_ratio>0.2</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
         </material>
-        <material type="concrete" id="1"  name="light weight expanded clay">
+        <material type="concrete" id="5"  name="light weight expanded clay">
             <density unit="ton/m3">1.6</density>
             <embodied_carbon unit="kgCO2/ton">900</embodied_carbon>
             <recycling_ratio>0.8</recycling_ratio>
@@ -213,7 +213,7 @@
             <landfilling_ratio>0.2</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
         </material>
-        <material type="concrete" id="2"  name="lightweight Expanded perlite">
+        <material type="concrete" id="6"  name="lightweight Expanded perlite">
             <density unit="ton/m3">1.6</density>
             <embodied_carbon unit="kgCO2/ton">2340</embodied_carbon>
             <recycling_ratio>0.8</recycling_ratio>
@@ -222,7 +222,7 @@
             <landfilling_ratio>0.2</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
         </material>
-        <material type="concrete" id="3"  name="lightweight expanded vermiculite">
+        <material type="concrete" id="7"  name="lightweight expanded vermiculite">
             <density unit="ton/m3">1.6</density>
             <embodied_carbon unit="kgCO2/ton">1570</embodied_carbon>
             <recycling_ratio>0.8</recycling_ratio>
@@ -231,7 +231,7 @@
             <landfilling_ratio>0.2</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
         </material>
-        <material type="concrete" id="4"  name="lightweight polystyrene">
+        <material type="concrete" id="8"  name="lightweight polystyrene">
             <density unit="ton/m3">1.4</density>
             <embodied_carbon unit="kgCO2/ton">1840</embodied_carbon>
             <recycling_ratio>0.8</recycling_ratio>
@@ -240,7 +240,7 @@
             <landfilling_ratio>0.2</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
         </material>
-        <material type="concrete" id="5"  name="lightweight pumice">
+        <material type="concrete" id="9"  name="lightweight pumice">
             <density unit="ton/m3">1.3</density>
             <embodied_carbon unit="kgCO2/ton">410</embodied_carbon>
             <recycling_ratio>0.8</recycling_ratio>
@@ -249,7 +249,7 @@
             <landfilling_ratio>0.2</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
         </material>
-        <material type="concrete" id="6"  name="concrete 20 MPa">
+        <material type="concrete" id="10"  name="concrete 20 MPa">
             <density unit="ton/m3">2.3</density>
             <embodied_carbon unit="kgCO2/ton">160</embodied_carbon>
             <recycling_ratio>0.8</recycling_ratio>
@@ -258,7 +258,7 @@
             <landfilling_ratio>0.2</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
         </material>
-        <material type="concrete" id="7"  name="concrete 25 MPa">
+        <material type="concrete" id="11"  name="concrete 25 MPa">
             <density unit="ton/m3">2.3</density>
             <embodied_carbon unit="kgCO2/ton">170</embodied_carbon>
             <recycling_ratio>0.8</recycling_ratio>
@@ -267,7 +267,7 @@
             <landfilling_ratio>0.2</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
         </material>
-        <material type="concrete" id="8"  name="concrete 30-32 MPa">
+        <material type="concrete" id="12"  name="concrete 30-32 MPa">
             <density unit="ton/m3">2.3</density>
             <embodied_carbon unit="kgCO2/ton">230</embodied_carbon>
             <recycling_ratio>0.8</recycling_ratio>
@@ -276,7 +276,7 @@
             <landfilling_ratio>0.2</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
         </material>
-        <material type="concrete" id="9"  name="concrete 35 MPae">
+        <material type="concrete" id="13"  name="concrete 35 MPae">
             <density unit="ton/m3">2.4</density>
             <embodied_carbon unit="kgCO2/ton">240</embodied_carbon>
             <recycling_ratio>0.8</recycling_ratio>
@@ -285,7 +285,7 @@
             <landfilling_ratio>0.2</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
         </material>
-        <material type="concrete" id="10"  name="concrete 50 MPa">
+        <material type="concrete" id="14"  name="concrete 50 MPa">
             <density unit="ton/m3">2.4</density>
             <embodied_carbon unit="kgCO2/ton">280</embodied_carbon>
             <recycling_ratio>0.8</recycling_ratio>
@@ -294,7 +294,7 @@
             <landfilling_ratio>0.2</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
         </material>
-        <material type="concrete" id="11"  name="concrete block">
+        <material type="concrete" id="15"  name="concrete block">
             <density unit="ton/m3">2.3</density>
             <embodied_carbon unit="kgCO2/ton">170</embodied_carbon>
             <recycling_ratio>0.8</recycling_ratio>
@@ -303,7 +303,7 @@
             <landfilling_ratio>0.2</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
         </material>
-        <material type="concrete" id="12"  name="concrete roof tile">
+        <material type="concrete" id="16"  name="concrete roof tile">
             <density unit="ton/m3">1.2</density>
             <embodied_carbon unit="kgCO2/ton">440</embodied_carbon>
             <recycling_ratio>0.8</recycling_ratio>
@@ -312,7 +312,7 @@
             <landfilling_ratio>0.2</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
         </material>
-        <material type="glass" id="1"  name="flat glass, coated">
+        <material type="glass" id="17"  name="flat glass, coated">
             <density unit="ton/m3">2.58</density>
             <embodied_carbon unit="kgCO2/ton">2660</embodied_carbon>
             <recycling_ratio>0.95</recycling_ratio>
@@ -321,7 +321,7 @@
             <landfilling_ratio>0.05</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
         </material>
-        <material type="glass" id="2"  name="glass fibre">
+        <material type="glass" id="18"  name="glass fibre">
             <density unit="ton/m3">2.58</density>
             <embodied_carbon unit="kgCO2/ton">5260</embodied_carbon>
             <recycling_ratio>0.95</recycling_ratio>
@@ -330,7 +330,7 @@
             <landfilling_ratio>0.05</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="insulation" id="1"  name="cellulose fibre">
+        <material type="insulation" id="19"  name="cellulose fibre">
             <density unit="ton/m3">0.06</density>
             <embodied_carbon unit="kgCO2/ton">1760</embodied_carbon>
             <recycling_ratio>0.9</recycling_ratio>
@@ -339,7 +339,7 @@
             <landfilling_ratio>0.1</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="insulation" id="2"  name="cork slab">
+        <material type="insulation" id="20"  name="cork slab">
             <density unit="ton/m3">0.122</density>
             <embodied_carbon unit="kgCO2/ton">3080</embodied_carbon>
             <recycling_ratio>0.9</recycling_ratio>
@@ -348,7 +348,7 @@
             <landfilling_ratio>0.1</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="insulation" id="3"  name="polystyren foam">
+        <material type="insulation" id="21"  name="polystyren foam">
             <density unit="ton/m3">0.028</density>
             <embodied_carbon unit="kgCO2/ton">3180</embodied_carbon>
             <recycling_ratio>0.9</recycling_ratio>
@@ -357,7 +357,7 @@
             <landfilling_ratio>0.1</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="insulation" id="4"  name="polystyrene 10% recycled">
+        <material type="insulation" id="22"  name="polystyrene 10% recycled">
             <density unit="ton/m3">0.024</density>
             <embodied_carbon unit="kgCO2/ton">5140</embodied_carbon>
             <recycling_ratio>0.9</recycling_ratio>
@@ -366,7 +366,7 @@
             <landfilling_ratio>0.1</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="insulation" id="5"  name="stone wool">
+        <material type="insulation" id="23"  name="stone wool">
             <density unit="ton/m3">0.1</density>
             <embodied_carbon unit="kgCO2/ton">6040</embodied_carbon>
             <recycling_ratio>0.9</recycling_ratio>
@@ -375,7 +375,7 @@
             <landfilling_ratio>0.1</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="insulation" id="6"  name="foam glass">
+        <material type="insulation" id="24"  name="foam glass">
             <density unit="ton/m3">0.3</density>
             <embodied_carbon unit="kgCO2/ton">5380</embodied_carbon>
             <recycling_ratio>0.9</recycling_ratio>
@@ -384,7 +384,7 @@
             <landfilling_ratio>0.1</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="insulation" id="7"  name="glass wool mat">
+        <material type="insulation" id="25"  name="glass wool mat">
             <density unit="ton/m3">0.032</density>
             <embodied_carbon unit="kgCO2/ton">2150</embodied_carbon>
             <recycling_ratio>0.9</recycling_ratio>
@@ -393,7 +393,7 @@
             <landfilling_ratio>0.1</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="wood" id="1"  name="fiberboard, hard">
+        <material type="wood" id="26"  name="fiberboard, hard">
             <density unit="ton/m3">0.9</density>
             <embodied_carbon unit="kgCO2/ton">3420</embodied_carbon>
             <recycling_ratio>0.6</recycling_ratio>
@@ -402,7 +402,7 @@
             <landfilling_ratio>0.4</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="wood" id="2"  name="three layerd laminated board">
+        <material type="wood" id="27"  name="three layerd laminated board">
             <density unit="ton/m3">0.7</density>
             <embodied_carbon unit="kgCO2/ton">1430</embodied_carbon>
             <recycling_ratio>0.6</recycling_ratio>
@@ -411,7 +411,7 @@
             <landfilling_ratio>0.4</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="wood" id="3"  name="fibreboard, soft">
+        <material type="wood" id="28"  name="fibreboard, soft">
             <density unit="ton/m3">0.65</density>
             <embodied_carbon unit="kgCO2/ton">2780</embodied_carbon>
             <recycling_ratio>0.6</recycling_ratio>
@@ -420,7 +420,7 @@
             <landfilling_ratio>0.4</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="wood" id="4"  name="plywood">
+        <material type="wood" id="29"  name="plywood">
             <density unit="ton/m3">0.72</density>
             <embodied_carbon unit="kgCO2/ton">2190</embodied_carbon>
             <recycling_ratio>0.6</recycling_ratio>
@@ -429,7 +429,7 @@
             <landfilling_ratio>0.4</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="covering" id="1"  name="acrylic filler">
+        <material type="covering" id="30"  name="acrylic filler">
             <density unit="ton/m3">1.43</density>
             <embodied_carbon unit="kgCO2/ton">1070</embodied_carbon>
             <recycling_ratio>0</recycling_ratio>
@@ -438,7 +438,7 @@
             <landfilling_ratio>1</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="covering" id="2"  name="anhydrite floor">
+        <material type="covering" id="31"  name="anhydrite floor">
             <density unit="ton/m3">1.43</density>
             <embodied_carbon unit="kgCO2/ton">240</embodied_carbon>
             <recycling_ratio>0</recycling_ratio>
@@ -447,7 +447,7 @@
             <landfilling_ratio>1</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="covering" id="3"  name="base plaster">
+        <material type="covering" id="32"  name="base plaster">
             <density unit="ton/m3">1.43</density>
             <embodied_carbon unit="kgCO2/ton">430</embodied_carbon>
             <recycling_ratio>0</recycling_ratio>
@@ -456,7 +456,7 @@
             <landfilling_ratio>1</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="covering" id="4"  name="cement cast plaster floor">
+        <material type="covering" id="33"  name="cement cast plaster floor">
             <density unit="ton/m3">1.43</density>
             <embodied_carbon unit="kgCO2/ton">340</embodied_carbon>
             <recycling_ratio>0</recycling_ratio>
@@ -465,7 +465,7 @@
             <landfilling_ratio>1</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="covering" id="5"  name="cement tile">
+        <material type="covering" id="34"  name="cement tile">
             <density unit="ton/m3">1.2</density>
             <embodied_carbon unit="kgCO2/ton">440</embodied_carbon>
             <recycling_ratio>0.8</recycling_ratio>
@@ -474,7 +474,7 @@
             <landfilling_ratio>0.2</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="covering" id="6"  name="ceramic tile">
+        <material type="covering" id="35"  name="ceramic tile">
             <density unit="ton/m3">2.1</density>
             <embodied_carbon unit="kgCO2/ton">1410</embodied_carbon>
             <recycling_ratio>0.8</recycling_ratio>
@@ -483,7 +483,7 @@
             <landfilling_ratio>0.2</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="covering" id="7"  name="clay plaster">
+        <material type="covering" id="36"  name="clay plaster">
             <density unit="ton/m3">1.43</density>
             <embodied_carbon unit="kgCO2/ton">250</embodied_carbon>
             <recycling_ratio>0</recycling_ratio>
@@ -492,7 +492,7 @@
             <landfilling_ratio>1</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="covering" id="8"  name="fiber cement corrugated slab">
+        <material type="covering" id="37"  name="fiber cement corrugated slab">
             <density unit="ton/m3">1.44</density>
             <embodied_carbon unit="kgCO2/ton">1480</embodied_carbon>
             <recycling_ratio>0.8</recycling_ratio>
@@ -501,7 +501,7 @@
             <landfilling_ratio>0.2</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="covering" id="9"  name="fiber cement facing tile">
+        <material type="covering" id="38"  name="fiber cement facing tile">
             <density unit="ton/m3">1.44</density>
             <embodied_carbon unit="kgCO2/ton">2220</embodied_carbon>
             <recycling_ratio>0.8</recycling_ratio>
@@ -510,7 +510,7 @@
             <landfilling_ratio>0.2</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="wood" id="10"  name="gypsum fibreboard">
+        <material type="wood" id="39"  name="gypsum fibreboard">
             <density unit="ton/m3">1.27</density>
             <embodied_carbon unit="kgCO2/ton">3960</embodied_carbon>
             <recycling_ratio>0.8</recycling_ratio>
@@ -519,7 +519,7 @@
             <landfilling_ratio>0.2</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="covering" id="11"  name="gypsum plaster board">
+        <material type="covering" id="40"  name="gypsum plaster board">
             <density unit="ton/m3">1.15</density>
             <embodied_carbon unit="kgCO2/ton">760</embodied_carbon>
             <recycling_ratio>0.8</recycling_ratio>
@@ -528,7 +528,7 @@
             <landfilling_ratio>0.2</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="metal" id="1"  name="steel">
+        <material type="metal" id="41"  name="steel">
             <density unit="ton/m3">8</density>
             <embodied_carbon unit="kgCO2/ton">3160</embodied_carbon>
             <recycling_ratio> 0.98</recycling_ratio>
@@ -537,7 +537,7 @@
             <landfilling_ratio>0.02</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="metal" id="2"  name="aluminium">
+        <material type="metal" id="42"  name="aluminium">
             <density unit="ton/m3">2.7</density>
             <embodied_carbon unit="kgCO2/ton">5370</embodied_carbon>
             <recycling_ratio> 0.98</recycling_ratio>
@@ -546,7 +546,7 @@
             <landfilling_ratio>0.02</landfilling_ratio>
             <cost unit="CAD">0.1</cost>
        </material>
-        <material type="metal" id="3"  name="reinforcing steel">
+        <material type="metal" id="43"  name="reinforcing steel">
             <density unit="ton/m3">7.85</density>
             <embodied_carbon unit="kgCO2/ton">3910</embodied_carbon>
             <recycling_ratio> 0.98</recycling_ratio>