9 Apparatus and instruments for monitoring, measuring and testing load bearing and load lifting structures and devices, namely, strain gauges, stress gauges, load sensors, temperature sensors, vibration sensors, rotation sensors, heat sensors, pressure sensors, current sensors, torque sensors; electrical and electronic monitoring and measuring apparatus and instruments, namely, electronic and electrical strain gauges, stress gauges, load sensors, temperature sensors, vibration sensors, rotation sensors, heat sensors, pressure sensors, current sensors, torque sensors; computer software for use in monitoring, measuring, and testing load bearing and load lifting structures and devices; data logging and data processing equipment, namely, computer hardware; computer software for use in data logging and data processing