AOH:-Annual Overhauling.
IOH:-Intermediate Overhauling.
please wait...Translate to EnglishAOH: Annual Overhauling. This is when a thorough maintenance of something is done once a year.
IOH: Intermediate Overhauling. This is a maintenance activity that is done between the annual overhauling, usually to ensure everything is in good condition.
please wait...Translate to HindiAOH: Saalana tahreer (सालाना टहरीर)
IOH: Bichhaune tahreer (बीचहौने टहरीर)