Total index B50001
Crude processing (capacity) B5610C
Primary & semifinished processing (capacity) B562A3C
Finished processing (capacity) B5640C
Manufacturing ("SIC") B00004
Manufacturing (NAICS) GMF
Durable manufacturing (NAICS) GMFD
Wood product G321 321
Nonmetallic mineral product G327 327
Primary metal G331 331
Iron and steel products G3311A2 3311,2
Fabricated metal product G332 332
Machinery G333 333
####
my $code = "GMF";
print "$code: $description_hash{$code}.\n";
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GMF: Manufacturing (NAICS).