“…The authors express thanks to Cambridge University Press for permission to reproduce Figs 1,3,8,9,10,11,13,14,15,16 that have been taken from the forthcoming book ''An Introduction to Surface Engineering'' by P. A. Dearnley. The assistance and inspiration of Dr T. Liskiewicz, iETSI, School of Mechanical Engineering, University of Leeds, UK in contributing to the creation of Figs 28 and 29 is gratefully acknowledged.…”