Draw the control diagram of the following process $-$ ladder way

When start push button is pressed the three conveyers are move allow the wood piece to

move, Sensor S$1$ and S$2$ are used to select the piece size. If the size of piece is small

$($sensors S$1$ or S$2$ activate$),$ M$3$ will run $3$ second to allow the piece transfers to path B$.$

When the piece is large $($both S$1$ and S$2$ are activated$),$ the piece continues to path A until

the piece reaches $S3,$ at this moment the three conveyers stops and the rotary saw run until

the counter which take its signal from encoder become $1800$ at this moment the saw down

by actuator $km5$ to cut the large piece of wood.

After $5$ second the saw back to initial position and the conveyer A run again for $2$ second.

when S$4$ or S$5$ is activated the process repeated

When the number of piece in small box reach $100$ the process stop.