42 Calibration, testing, design, research, development, engineering, and configuration services relating to working machines and tools for industrial use; calibration services; calibration and product testing services namely calibration and testing of tools, power operated machine tools, power operated hand tools, hand tools, hand implements, testing, calibration, analytical and measuring equipment, apparatus and instruments in the nature of torque wrenches, hand torque multipliers, pneumatic multipliers, electrical and electronic torque wrenches, hydraulic torque wrenches, torque transducers and torque calibration instruments and equipment; design services namely new product design; design, research, development, and configuration of tools, namely, custom design and engineering, design, engineering, research, development and testing of power operated machine tools, power operated hand tools, hand tools, hand implements, testing, calibration, analytical and measuring equipment, apparatus and instruments in the nature of torque wrenches, hand torque multipliers, pneumatic multipliers, and electrical and electronic torque wrenches, hydraulic torque wrenches, torque transducers and torque calibration instruments and equipment; rental of data processing equipment, apparatus and instruments namely computer software rental in the nature of calibration software; design, research, development, configuration and rental of software for calibration of torque wrenches, hand torque multipliers, pneumatic multipliers, electrical and electronic torque wrenches, hydraulic torque wrenches, torque transducers and torque calibration instruments and equipment; technical support, maintenance and repair services for software for calibration namely troubleshooting of computer software problems; consultancy, advisory and information services relating to or connected with the aforementioned services