Machines and devices for balancing vehicle wheels; apparatus for checking the alignment of vehicle wheels; [ Tire tread depth gauges; ] Machines for balancing motor vehicle tires; [ Optical inspection apparatus for checking the inner surface of tires; ] [ Surveying machines and surveying instruments; ] [ Optical apparatus and instruments, namely, optical scanners; ] [ Weighing apparatus and instruments; Measuring apparatus and instruments, namely, mechanical and electronic measuring machines ...