API 510, API 570, API 579, API 581, API 620, API 650, API 653, API 581, API 660, API 661,
API 936, ASME B31.1, ASME B31.3, ASME I, ASME VIII DIV 1, ASME VIII DIV 2, catalytic cracking, coker, compressor, delayed coker,
design specification, engineerin