Develop the simulation of circuits given below using the Fluid Sim software and explain the meaning of latching in electrical circuits $(20$ Marks$)$

The circuit below illustrates an electro$-$pneumatic system. Answer the following questions.

a$)$ Which one is the latching circuit? Indicate the circuit number. $(5$ marks$)$

b$)$ What type of switch are switches S$1$ and S$2?(5$ marks$)$

c$)$ What is the meaning of the symbol shown under circuit $1?(5$ marks$)$

d$)$ What is the function of switch S$2?(5$ marks$)$

e$)$ How to extend and retract the cylinder piston? $(5$ marks$)$

f$)$ State whether the above electro$-$pneumatic system is controlled directly or indirectly. Justify your answer $(5$ marks$)$