?(?) ??? ?????. ?? ??? ?? ??? ?? ??? ???? ????? ??? ????? ??? ??? ????? ???? ???? ?? ??? ??? ??????. ? ??? ?? ???? ?????.My name is Arul and I get the job done like a computer software engineer at NASA. This Web site is made of a group of equipment, utilities and article content I wrote over the last 24 many years.IAB, Individual Handle Block, can