TIRES ARE BALANCED AFTER THEY HAVE BEEN MOUNTED TO A WHEEL. A COMPUTERISED SPIN BALANCING MACHINE IS USED IN MODERN TYRE SHOPS. THE TYRE IS ATTACHED TO THE MACH. TO COUNTERBALANCE HEAVY SPOTS, THE TECHNICIAN PLACES THIN METAL PIECES ON THE RIM. THE TECHNICIAN AT TYRE REPAIR SHOP IN DUBAI THEN SPINS THE WHEEL AGAIN TO ENSURE PROPER BALANCE.