9 Scientific, optical, weighing, measuring, signaling, checking apparatus and instruments, namely, electric measuring devices in the nature of pressure measuring apparatus, pressure gauges, pressure transmitter; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, voltage regulators for vehicles; magnetic data carriers, data processing equipment and computers; computer software for data management, data processing apparatus being calibration checkers; barometers, electric cables, chips being integrated circuits, gasoline fuel gauges, level gauges, pressure measuring gauges; integrated circuit cards; integrated circuits, intercommunication apparatus, namely, apparatus for transmission of communication in the nature of telecommunication transmitters; interfaces for computers, measuring apparatus, namely, instruments for detecting and measuring two-dimensional distribution of force and pressure, digital pressure gauges; electric resistances, monitoring apparatus, namely, electronic monitors for monitoring pressure in the nature of pressure indicators; monitors being computer hardware, precision, pressure gauges, pressure indicators, pressure measuring apparatus, printed circuits, temperature indicators, testing apparatus not for medical purposes, namely, circuit testers for testing printed circuits boards; transmitters of electrical signals, transmitters, namely, pressure transmitter; transmitting sets, namely, wireless transmitters and receivers