WOVM involves multiple copies of a 17-digit Vehicle Identification Number (VIN) being applied in covert and overt locations on the vehicle in the form of numerous (7,000-10,000) microdots.

• WOVM包含许多粒17位数字车辆辨识码(VIN)，以许多微粒(7,000-10,000粒)的形式，被应用在车子的隐蔽和明显的位置。