Tarmac Group 1964, now group managing director, Martin acquired key quarrying assets, including Cliffe Hill Granite, Rowley Regis Granite and Hillhead Hughes. In 1968, Martin engineered the three way merger between Tarmac, Derbyshire Stone and the Scottish Asphalt company, William Briggs, creating the country's "largest roadstone and construction group". The group was briefly known as Tarmac Derby but the Derby name was later dropped. Further acquisitions were to come. Permanite, Britain's biggest roofing felt manufacturer, and Limmer, a quoted asphalt company, were bought in 1971, while the 1973 purchase of Mitchell Construction (which had foundered on the Kariba Dam) strengthened the construction
Material of the Future a worldwide view from a variety of perspectives considering what the true value of plastic is. Covered topics include re-usable plastics, plastic pollution, plastic industry, controversies of plastic recycling, bioplastics, and plastics in human health. The film includes footage from Chinese recycling facilities, the world's largest plastics convention, the Los Angeles bag ban, heart replacement surgery, the Plasticarium in Brussels, and is interspersed with interviews from scientists, authors, artists, and environmentalists. The film is scored by Richard Swift with additional music from Baths and a previously unreleased track from Animal Collective. Material of the Future Material of the Future is