2.2 cement making 3: specification and uses 3.1 specification 3.2 uses 4: world production 5: alternative materials 5.1 alternative raw materials 5.2 alternative fuels 6: building stone focus on the uk 6.1 resources 6.2 reserves 6.3 structure of the industry 6.4 production 6.5 consumption 6.6 trade 6.7 issues 7: further reading.