Dragados Gulf interview questions

At first i got a mail from the HR of dragados stating that my resume was shortlisted and he need a telephonic interview with me. We both fixed a date and interview begun, he asked me personal background, working experience and the educatonal qualifications. Result was positive for the first round. The next round was a Skype Interview with the Corporate Manager for Materials. The date were fixed, in interview the manager asked me to briefly describe about "warehouse Management/Procedure, ERP, also regading some materials and there storage .