Uniclass category Pr_20_31_04
Coarse general aggregates (1)
Pr_20_31_04_13
Loose surfacing decorative aggregates (2)
Pr_20_31_04_48
Mortar all-in aggregates (4)
Pr_20_31_04_51
Mortar fine aggregates (1)
Pr_20_31_04_53
Permeable laying course aggregates (2)
Pr_20_31_04_62
Surface treatment fine aggregates (2)
Pr_20_31_04_86