42 Development, design, and rental of vibration testing equipment; Development, design, and rental of temperature, humidity, and vibration combined testing equipment; Development, design, and rental of vibration measuring, monitoring, and diagnostic equipment; Development, design, and rental of seismic measuring, monitoring, and diagnostic equipment; Development, design, and rental of constant temperature and humidity baths; Development, design, and rental of inspection equipment for printed-circuit boards and parts of the same; Development, design, and rental of electric and magnetic measuring instruments; Development, design, and rental of remote measuring and controlling equipment; Development, design, and rental of performance and safety evaluation testing equipment for primary or secondary batteries; Development and design of computer software relating to signal processing and machine controlling system; Vibration testing for others; Performance and safety evaluation testing for primary or secondary batteries for others; Check, research, analysis, evaluation, consulting, and information provision relating to vibration, namely, scientific research in the field of vibration, and product quality evaluation; Check, research, analysis, evaluation, consulting, and information provision relating to performance and safety of primary or secondary batteries; Test or research relating to equipment, namely, scientific research in the field of batteries, and product quality evaluation; Checking in the nature of inspection of vibration testing equipment for quality control purposes; Checking in the nature of inspection of temperature, humidity, and vibration combined testing equipment for quality control purposes; Checking in the nature of inspection of vibration measuring, monitoring, and diagnostic equipment for quality control purposes; Checking in the nature of inspection of seismic measuring, monitoring, and diagnostic equipment for quality control purposes; Checking in the nature of inspection of constant temperature and humidity baths for quality control purposes; Checking in the nature of inspection of inspection equipment for printed-circuit boards for quality control purposes; Checking in the nature of inspection of electric and magnetic measuring instruments for quality control purposes; Checking in the nature of inspection of remote measuring and controlling equipment for quality control purposes; Checking in the nature of inspection of performance and safety evaluation testing equipment for primary or secondary batteries for quality control purposes