Match each queuing system term to its correct description A common line is formed. The customer at the head of the line proceeds to the initial service provider who provides part of the service, and the customer is then passed-off to the next service provider in sequence, and so on, until the full service is completed. A common line is formed, and the customer at the head of the line proceeds to the first available service provider (from a group of service providers), who provides part of the service, and the customer is then passed-off to the next service provider in sequence, and so on, until the full service is completed. A common line is formed. The customer at the head of the line proceeds to the first available service provider (from a group of service providers), who completes the required service for the customer. A common line is formed. The customer at the head of the line proceeds to the single service provider who completes the required service for the customer. I Multiple Channel, Single Phase Multiple Channel, Multiple Phase Mobile Queue Unstructured Queue Single Channel, Multiple Phase Single Channel, Single Phase Structured Queue Poisson Distribution