salam ive got selected in a company as a design engineer,so i still have time as the visa has not arrived yet..my question is are people in saudi udsing Revit software or Autocad? for the design...i am an H.V.A.C design Engineer.so i still have a month left to go...so should i learn revit? or autocad is enough? actually i got a job through my relative in dammam...so plz do help me as soon as possible