42 Calibration services; metrology services; rental, hire and leasing of measurement instruments, namely, instruments for checking, measuring and monitoring the dimensions, straightness, ovality, wall thickness, internal and external diameter and circumference, length, bevels, butt mismatch and shape of pipes; design and research relating to the provision of pipe measuring products and services and pipe measuring products and services for the nuclear, utilities, processing and manufacturing industries; consultancy, metrology and measuring services for the pipe manufacturing and pipeline construction industries, both onshore and off-shore