How to define the wrecker truck abroad?

In fact, the definition of wrecker truck is quite comprehensive and complete in the foreign wrecker technologically developed countries.

For example,the United States wrecker standards SAEJ2512-1999 "Towing Equipment Ratings and Practices" defined wrecker truck as: tow truck, tow vehicle, car carrier, recovery vehicle, etc., It is the kind of truck that has a wrecker bracket (drag) pull back load transport, rescue and other functions.

While Canada, Britain, France, Italy, Germany, Japan and other countries, the definition of wrecker recovery vehicle is around the meaning of interpretation, namely the definition of wrecker Key expression is reflected in the wrecker "by specialized tools and equipment, recovery, help, assist not normal vehicles and equipment to enable them to normal, safe driving." That can not be normal vehicles and equipment recovery, help, support methods are: piggyback transport, lifting, righting, flip, Torr (drag) led, and even including a simple ride electric, tire repair. These definitions can really complete and comprehensive overview of the wrecker features, use and operation methods.