1) Shape & Dimensions
2) Mix & Factors
1:2:4 → 1 part cement : 2 parts sand : 4 parts crush (Normal house slab/floor)
1:1.5:3 → Stronger mix, zyada load wali cheezon ke liye (columns, beams)
1:3:6 → Lean mix, mostly flooring ya leveling ke liye
Terms: Cement = Cement; Reti = Sand (Fine Aggregate); Crush/Bajri = Coarse Aggregate