construction materials  search
NTbuilding stone
 cement materials
 concrete
 crushed stone
 dimension stone
 insulation materials
UFconstructional materials
RTmaterials
 aggregate
 gravel deposits
 sand
 sands
 trap rocks
 alloys
 weathering
 conservation
 shale
 construction
 granite deposits
 limestone deposits
 marble deposits
 sandstone deposits
 refractory materials
 ornamental materials
 perlite
SNIncludes use both as a commodity term and an engineering material. See List C for use as a commodity.