Study the following system and identify all the associated queueing situations. For each situation, define the customers, the servers$),$ the service discipline, the service time, the maximum queue length, and the calling source.Draw flow charts which show who$/$what arrive at which queue and then go to the first server$($s$).$ Then $...$ go to the $2$nd servers$).$ Then $...$ go to the nth servers$).$Sharpened tools for the different machines are supplied from a central tool crib, where operators exchange old tools for new ones. When a machine breaks down, a repairman is called from the service pool to attend it$.$ Machines working on rush orders always receive priorities both in acquiring new tools from the crib and in receiving repair service