One embodiment of this invention discloses a system for activating a vehicle’s emergency flashers upon harsh braking or if the vehicle otherwise undergoes severe deceleration. The system and method allows networks to control which users have access to printing services and the type of services they may utilize. One of the plasticizers is a polyalcohol ester type and the other one is a non-phosphate ester type. At least one of the protruding portions extends into one of the openings.