% AND-gate SOUTH
\newsavebox{\ands}  
\savebox{\ands}(6,10){
\begin{picture}(6,10)
\put(6,8){\line(-1,0){6}}
\put(0,8){\line(0,-1){3}}
\put(6,8){\line(0,-1){3}}
\put(1,8){\line(0,1){2}}
\put(5,8){\line(0,1){2}}
\bezier{30}(0,5)(0,2)(3,2)
\bezier{30}(3,2)(6,2)(6,5)
\put(3,0){\line(0,1){2}}
\end{picture}
}