Cutlery and Allied Trades Research Association knowledge which is available to everyone on a competitive fee paying basis, however CATRA will enter into dialogue with consumers and users of cutlery, knives and tools where their expertise may be of help, on a free of charge basis. Petersen's Bowhunting magazine uses CATRA to measure sharpness of arrowheads. CATRA manufactures a wide range of special purpose equipment including knife and cutlery testing machines and knife sharpening systems including the CATRAHONE and CATRASHARP machines Cutlery and Allied Trades Research Association Cutlery and Allied Trades Research Association (CATRA) is an internationally known research and technology organisation in Sheffield, England which
David Messer David Messer David Messer is an Australian cartoonist. He is best known for his comic book adaptations of Shakespeare's "Macbeth" and "The Tempest", both published in Australia by Random House in late 2005. Each book features the full text, complete with footnotes, and close to 1,000 illustrated panels per book. He has produced a full-colour version of "Romeo and Juliet". Other books he has illustrated include Malcolm Knox's humorous history of Australia, "Australia in 1788 Words or Less", Paul Clitheroe's "Make Your Fortune by 40" and "Why Should I?" (a guide to the law for children). Messer has also contributed