Jaw Crushers are used to reduce the size of many different types of materials in many appliions. The Jaw Crusher was first introduced by Eli Whitney Blake in 1858 as a doubletoggle Jaw Crusher. Introduced in 1906, McLanahan's Universal Jaw Crusher was one of the first modern era overhead eccentric Jaw Crushers.
Aggregates account for approximately 85 per cent of the non–energy minerals extracted in the UK and, are critical for the national economy. The construction sector relies on the supply of construction aggregates, obtained from 1300 quarries in Britain, dredged from the sea bed by a fleet of 28 marine aggregate dredgers and through recycling.