Rock is the source of natural material from which crushed stone, sand, and gravel are made; the rock most suitable for making good aggregates.

-see also:
"Rock" is in the NAICS Code "212392"
  (Phosphate Rock MiningSintered phosphate rock mining and/or beneficiating)

"Rock" is in the HS Code "0306.11"
  - -- Rock lobster and other sea crawfish (Palinurus spp., Panulirus spp., Jasus spp.)

"Rock" is in the UNSPSC Code "20101504"
  Rock cutters

Ref: 122277/2006-10-09


Other Database Pages Exist for this Phrase:
Rocky mountain goat (The rocky mountain goat despite that it is ...)


A list of books about the topic Rock


List of books: Rock

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