A Nottingham County Surveyor, Edgar Purnell Hooley, discovered tarmac by accident in the early 20th century. He found a barrel of tar had spilled onto the road at a local ironworks. This had mixed with waste slag from the furnaces. The result was a dust-free, strong surface. Hooley created and patented the product that could take the weight of the new automobile. In 1903 the Tarmacadam syndicate was formed, its name taken from the developer of the road construction system, John MacAdam. Tarmac employs 12,500…
How roles and functions contribute to competitive advantage
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