diff --git a/docs/development/02-process.md b/docs/development/02-process.md
index 7d6aa4eada4c0e410533fdacd0ac312c12f36e09..a5cf271ed5ea9b7e1152545003c63b5109d0f8f2 100644
--- a/docs/development/02-process.md
+++ b/docs/development/02-process.md
@@ -92,10 +92,10 @@ To sense the progress of fermentation, time, temperature, color, odor, etc. can
 For reference, I tried wine and Kombucha using Arduino. When the liquid was brought closer to the sensor, the value dropped clearly as follows.
 ![](../images/dev2/img15.jpg){width=70% }
 
-![](../images/dev2/img16.jpg){width=70% }
+![](../images/dev2/img16.jpg){width=70%}   
 
+![](../images/dev2/img13.jpg){width=70%}    
 
-![](../images/dev2/img13.jpg){width=70% }
 
 ``` 
 /****************************************
@@ -181,7 +181,12 @@ Test printing (Prusa / PET)
 
 ![](../images/dev2/img22.jpg){width=100% }
 ![](../images/dev2/img23.jpg){width=70% }
-![](../images/dev2/img27.jpg){width=70% }
+![](../images/dev2/img27.jpg){width=47% align=left }   
+![](../images/dev2/img29.jpg){width=47% align=right}   
+
+<p style="clear: right;"></p>
+
+<br>
 
 ## Seed
 - Paper Prototype  
@@ -218,6 +223,7 @@ Test printing (Prusa / PET)
 		* Leave it around one day ( room temperature )
         
 ![](../images/dev2/img25.jpg){width=100% }
+![](../images/dev2/img28.jpg){width=70% }
 
 ## Electronics
 
diff --git a/docs/images/dev2/img28.jpg b/docs/images/dev2/img28.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..6d0b9a2734f2496d61ed0ee0fbbc01bfbd2dad4f
Binary files /dev/null and b/docs/images/dev2/img28.jpg differ
diff --git a/docs/images/dev2/img29.jpg b/docs/images/dev2/img29.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..03e63838c7efa4fa333bda4e19953171c8f58a53
Binary files /dev/null and b/docs/images/dev2/img29.jpg differ