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 Walkers' Snack Foods, the UK's largest crisp and snack manufacturer, is protecting staff working at its new automated warehouse in Leicester using machine-guarding systems provided by industrial safety specialist Troax UK. The machine fencing is used to secure materials-handling equipment.