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
Erica Messer Erica Messer Erica Messer is an American television writer, producer, and story editor. She has written episodes of television series such as "Alias", "The O.C.", "Charmed", and "Criminal Minds". She has also co-produced two television shows: "Charmed" and "Criminal Minds", as well as acting as a story editor on "Alias" and executive story editor on "The O.C." Messer began her career with the television series "Alias" in 2001 as a screenwriter. In 2002, she was promoted to story editor on "Alias". Messer, then in 2003–04, wrote several episodes for "The O.C." and serving as executive story editor. She wrote one