Optical and non-destructive inspection apparatus, namely, which is movable along pipes namely, water pipes, air conditioning pipes, gas pipes, plant pipes, conduit pipes, communication cable pipes, oil pipes, pipelines and other pipes; Electronic testing apparatus not for medical purposes namely, for testing piping; Optical and non-destructive inspection apparatus which is equipped with digital cameras and other non-destructive testing sensors and movable along pipes namely, water pipes, air ...