When the supervisor starts the roll call, please do not swipe the card again. After the roll call is completed, the people who have not yet swiped the card will continue to swipe the card.
When the supervisor starts to name, do not swipe the card again, and when the name is finished, the person who has not yet swiped the card will swipe the card again.
When the supervisor starts the roll call, please do not swipe the card again. After the roll call is completed, the person who has not swiped the card will continue to swipe the card.<br>