chapter 2 the market for building bricks 1 in this we describe and changes that have taken place it since 1975 also analyse factors underlying these examine effect of such on pricing other forms competition within brick industry start by briefly describing types available their method manufacture main can be made from three basic materials clay calcium silicate or concrete account some 90 per cent total deliveries great britain proportion has scarcely changed over time neither companies concerned inquiry manufactures hi are therefore report only with 3 there two fletton non distinctive feature is they lower oxford which contains a relatively high carbonaceous material so called because process was developed at near peterborough london
