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@@ -317,7 +317,22 @@ The app is developed using MIT App Inventor. Here, I have to ON and OFF the fan
     <div class="column">
     <img src="img/p_17.jpg" alt="Snow" style="width:100%">
   </div>
-									
+  </div>
+  </body>
+					<br> <br>	<h4 id="programm"><strong>Design in Software </strong> </h4>
+<p> <strong> The design of the smart kitchen chimeny is created usign FreeCAD software. Firstly I have created part seperatlly in software and finally assembled then A2plus menu in software. </p> </strong> 		
+	<div class="row">
+                    <div class="col">
+                        <div class="card text-center">
+                            <div class="oval"><img src="img/p_18.jpg" width="80%"
+                                   height="80%" class="svg__image"> </div>
+								<br> <br>
+								<div class="row">
+                    <div class="col">
+                        <div class="card text-center">
+                            <div class="oval"><img src="img/p_19.jpg" width="80%"
+                                   height="80%" class="svg__image"> </div>
+								<br> <br>
 	<h4 id="reference"><strong>References</strong></h4>
 								<p style="justify-content: center"><strong> [1]Yu, X. J., Yang, M. J., Zhou, B., Wang, G. Z., Huang, Y. C., Wu, L. C., ... & Gao, X. H. (2015). Characterization of somatic mutations
 								in air pollution-related lung cancer. EBioMedicine, 2(6), 583-590 <br> [2]Gao, J., Cao, C., Zhang, X., & Luo, Z. (2013). Volume-based size distribution of accumulation and coarse particles