2.4 to 3.2
2.4 to 2.8
2.2 to 3.2
2.2 to 2.8
Marble
Limestone
Granite
Slate
Weathering
Drying
Tempering
Burning
Rotary kily
Clamp
Potters kily
Reverberatory furnace
Cinder
Pozzolana
Ashes
Surkhi