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 Responsive Engineering Group has completed the 32-tonne phosphor bronze cone that marks the new Planetarium in Greenwich Park. The cone comprises nearly 250 8mm-thick metal panels, welded into 18 segments. The panels were manufactured using specialist waterjet cutting techniques.