+}
+
+\frame{
+\begin{figure}
+\centerline{\includegraphics[width=12cm]{polyaluhardware}}
+\label{img:mealymachine}
+\end{figure}
+}
+
+\frame{
+\begin{figure}
+\centerline{\includegraphics[width=12cm]{polyaluhardware-reg}}
+\label{img:mealymachine}
+\end{figure}
+}
+
+\frame{
+\begin{figure}
+\centerline{\includegraphics[width=12cm]{polyaluhardware-add}}
+\label{img:mealymachine}
+\end{figure}
+}