public static Equipment CreateInputEquipment(string equipmentName)
        {
            Machine machine = new Machine("InputMachine");
            machine.PortType = "Input";
            Port inputPort = new InputPort();
            Equipment equipment = new Equipment();
            equipment.Machine = machine;
            equipment.Name = equipmentName;
            equipment.AddPort(inputPort);

            return equipment;
        }
        public static Equipment CreateInputEquipment(string equipmentName)
        {
            Machine machine = new Machine("InputMachine");

            machine.PortType = "Input";
            Port      inputPort = new InputPort();
            Equipment equipment = new Equipment();

            equipment.Machine = machine;
            equipment.Name    = equipmentName;
            equipment.AddPort(inputPort);

            return(equipment);
        }