Air vehicles, namely, pilotless aircraft, drones, aircraft; Remote controlled air vehicles, other than toys

Aircraft; unmanned aircraft; drones

Electronic and electro-mechanical devices used to measure the flatness of rotating objects; namely, optical storage media, magnetic storage media, semiconductor wafers, toner drums, turbine rotors, spindle shafts, as well as other cylindrical or flat rotating objects

electronic and electro-mechanical devices used to measure the flatness of rotating objects; namely, optical storage media, magnetic storage media, semiconductor wafers, toner drums, turbine rotors, spindle shafts, as well as other cylindrical or flat rotating objects