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 culture of the Manasir Material culture of the Manasir The material culture of the Manasir is very basic and primarily relies on the by-products of palm tree cultivation (cf. Date cultivation in Dar al-Manasir). Date trees not only constitute the main source of income and an important supply of nutrition in Dar al-Manasir, but the Manasir also make intelligent use of all different parts of the palm tree. From it they produce diverse household items, garden tools and building material for their traditional mud houses. (cf. Architecture in Dar al-Manasir). What follows is a list of raw materials gathered from the date palm and