Historical
DIN EN 13018:2001
Non-destructive testing - Visual testing - General principles; English version of DIN EN 13018 (FOREIGN STANDARD)
The document specifies the general principles for visual testing both directly and remotely it is used to determine the compliance of a product with specified requirements. It does not apply to viewing activities linked to the useof any other destructive or non-destructive test method.
Deutsches Institut für Normung [din]