Material flexibility exists when there are adjustment mechanisms at one stage of a manufacturing process which identify and then correct or adapt to variations arising previously. For example, in manual systems operators can locate bent metal and adjust it or properly position it in the machines. Otherwise, quality problems and machine breakdowns will mount. Material flexibility can be measured by the extent of variations in key dimensional and metallurgical properties handled by the equipment. Sequencing flexibility could be measured by the number of different sequences handled by the equipment with the lower limit being inviable sequence and the upper limit being random processing.