In addition to conforming with 12.1, when tested by JIS H 0522 (Methods of Radiographic Test and Classification of Radiographs for Aluminium Castings) and JIS Z 2343 (Methods for Liquid Penetrant Testing and Classification of Indication) or the equivalent test methods that can guarantee quality, there shall be no evidence of harmful defects such as blow holes, porosities, shrinkage cavities, inclusions or cracks.