Contradictions and compromises faced when designing feed pumps, J.H. Schill; a method of improving mechanical seal reliability, T.J. David; long-term benefits of higher initial costs in pump and seal selection, A.M.H.S. Thom and O.M.A. Shams; low-cost compressor sealing options, P.T. Cuttance; improving pumping efficiency with variable speed drives, C. McNaught; factors affecting pump total life costs, S.J. Moore; changing the approach to chemical plant machinery maintenance to reduce costs,M.S. Young and A.P. Barrass; the new concepts of effectiveness of through life pump cost management, J.M. Fleming; economical pumping (synopsis only), A. Bolton et al; the application of surface treatments and coatings to minimize wear and corrosion of pump components (synopsis only), M. Watson and A. Davies.