00493nam a22001697a 450000500170000001000150001702000260003203500140005803700090007208200110008124500440009225000060013626000390014227000860018130000200026750000360028720260708142739.0  aENG-149047  a9789354426667c325.00  aEN-132579  bDBAD  a42821  aProfessional English/cBoard of Editors  a1  aHyderabadbOrient Blackswan c2025  a3-6-752, Himayatnagar bHimayatnagar, Hyderabade500029minfo@orientblackswan.com  a166p.c24cm(pb)  aFor Engineers and Technologists