Hayley Burgess, Brian Donovan, Victoria Hutchison, Stewart Kidd, Max Lakkonen, Graeme Leonard, Maria Marks, Sreenivas Narayanan, Frank Preiss, Stephanie Rampton, Dr Eliot Sizeland, Marc van der Voort

Cover image: Mixing all kinds of foam agents: FireDos foam proportioners.

Picture courtesy of Firedos GmbH