diff --git a/wiki/pages/engineering-test.html b/wiki/pages/engineering-test.html
index 6852196d1b5877cd361f12c32a04b2fabfd2801f..66042a6f2cbfb392dfbeafa1ed4e4fa1af103bae 100644
--- a/wiki/pages/engineering-test.html
+++ b/wiki/pages/engineering-test.html
@@ -27,8 +27,9 @@ Now that we had laboratory-established data for 19 UTR constructs with reporter
  <p><h2>Test Results for DH5α Strain:</h2><br>
         <ul>
           <h3>For first 8 UTRs of DH5alpha</h3><br><center>
-            <img class="norm" src="https://static.igem.wiki/teams/4303/wiki/data-for-the-first-8utrs-in-dh5alpha.pdf" alt="wetlab- test">
-            </center>
+             <hr>
+    <center><iframe src="https://static.igem.wiki/teams/4303/wiki/data-for-the-first-8utrs-in-dh5alpha.pdf" width="100%" height="500px"></iframe>
+    </center>
             
           Gel Confirmation for first transformation of 6 UTR constructs in the first 8 UTRs
             <br><center>
@@ -36,9 +37,9 @@ Now that we had laboratory-established data for 19 UTR constructs with reporter
             </center>
           
           <h3>For next 11 UTRs of DH5alpha</h3>
-            <br><center>
-            <img class="norm" src="https://static.igem.wiki/teams/4303/wiki/data-for-the-next-11-utrs-in-dh5alpha.pdf" alt="wetlab- test">
-            </center>
+            <br><hr>
+    <center><iframe src="https://static.igem.wiki/teams/4303/wiki/data-for-the-next-11-utrs-in-dh5alpha.pdf" width="100%" height="500px"></iframe>
+    </center>
 
           Gel confirmation for transformation of 11 UTRs + control of the next batch
             <br><center>
@@ -67,13 +68,15 @@ Now that we had laboratory-established data for 19 UTR constructs with reporter
 
 <p><h2>Test Results for BL21(DE3) Strain:</h2><br>
         <ul>
-          <h3>For first 8 UTRs of BL21(DE3):</h3><br><center>
-            <img class="norm" src="https://static.igem.wiki/teams/4303/wiki/data-for-the-first-8-utrs-in-bl21.pdf" alt="wetlab- test">
-            </center>
+          <h3>For first 8 UTRs of BL21(DE3):</h3><br>
+            <hr>
+    <center><iframe src="https://static.igem.wiki/teams/4303/wiki/data-for-the-first-8-utrs-in-bl21.pdf" width="100%" height="500px"></iframe>
+    </center>
           
           <h3>For next 11 UTRs of BL21(DE3):</h3>
-            <br><center>
-            <img class="norm" src="https://static.igem.wiki/teams/4303/wiki/data-for-the-next-11-utrs-in-bl21.pdf" alt="wetlab- test">
+            <br><hr>
+    <center><iframe src="https://static.igem.wiki/teams/4303/wiki/data-for-the-next-11-utrs-in-bl21.pdf" width="100%" height="500px"></iframe>
+    </center>
             </center>
 
         </ul>