$($a$)-$CO $2$

Design a pneumatic circuit for the for the production process shown in figure$-1$ where work pieces are fed into a jig from a gravity magazine. Feeding takes place when a push button is pressed & return automatically to its start position after the work piece has reached the jig position.

$($Marks:$8)$

$2($a$)-$CO $2$

Ahuge steel $($figure$-2)$ installed in a deep mining tunnel. This door may be opened or closed by two push button either form outside or inside. Design a pneumatic circuit for door operation & describe the components used in the circuit.

$($Marks:$08)$

I need hadnwritten and handdrawn answers and pneumatic circuit