Shut Off Engine Matériau:PVC mince This sign is best displayed Déchets This sign is best displayed directly above or next to the given emergency exit and can be used in the workplace The "Authorized Personnel Only" sign is designed to filter out people in a given area to ensure that only those with granted access enter the given building The sign is best displayed outside of buildings or any location prone to customers and individuals leaving their cars running while they wait or while they go in somewhere The "Shut Off Engine" sign serves as a reminder for car and vehicle drivers to make sure they turn their engines off when they aren't actively driving as to reduce air pollution and disturbance