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 The open concourse and main engineering areas of Lothian Buses' central Edinburgh depot have been brightened up through the installation of 5,800m 2 of Trilite Ultra 45 singleskin translucent GRP rooflights from Brett Martin. A further 1,300m 2 of double-skin Trilite Ultra 45 FAIRs were also used.