Commodity Code

aggregate

http://resource.geosciml.org/classifier/cgi/commodity-code/aggregate

definition Broad category for coarse particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates. more like this
narrower natural secondary aggregate
broader aggregate
primary aggregate
broader aggregate
recycled aggregate
broader aggregate
notation
01.01.01 more like this
Aggr more like this
source http://en.wikipedia.org/wiki/Construction_aggregate more like this
type
Resource
Concept
broader industrial material
narrower aggregate
in scheme commodity code
is primary topic of aggregate