9 Scientific, weighing, measuring, signaling, controlling, checking, supervision, apparatus and instruments, namely, cameras, chronographs for use as specialized time recording apparatuses, length measuring apparatus in the nature of a measuring wheel, electric length measuring devices in the nature of a measuring wheel, pressure measuring apparatus, document printers for use with computer; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, transformers, transistors, electric switches; electric and electronic controls for tire building machines, namely, controllers, control panels, switch boxes; electronic control apparatus for extruders, namely, controllers, control panels, switch boxes; electronic control apparatus for presses, namely, controllers, control panels, switch boxes; electric and electronic controls for machines for processing elastomers; data processing equipment and computers; software recorded on compact discs, digital video discs, CD-ROMs, and data carriers for operating industrial machines and tools in the tire industry