Manual article review is required for this article
Manual article review is required for this article
Manual article review is required for this article
A contemporary down indicator box is mounted on the pole and is utilized to mark the current line of scrimmage. The amount about the marker is modified employing a dial. Officers are answerable for imposing game guidelines and monitoring the clock. All officers have a whistle and wear black-and-white striped shirts and black hats except for the ref