Respond to these showcases www. ajplus. co. uk/ajdirect Readers may obtain information about these products by filling in the enquiry numbers on an AJ enquiry card. Advertisers wishing to promote their products on these pages should contact Chris Bond on 020 75056816 Industrial Safety specialist Troax UK has designed and installed a machine-guarding system at Harper Collins' Glasgow distribution centre. Using its Safe-Fix fencing system, Troax created safety zones around a complex layout of automated conveyors and cranes linking a buffer store to a picking area.