n.
1) to build up, develop (an) ~
2) (an) ~ springs up
3) a basic, key ~
4) a cottage; defense; high-tech ~
5) heavy; light ~
6) the film; machine-tool; meat-packing; pharmaceutical; steel; textile; tourist, travel; trucking ( esp. AE ) ~
7) a smokestack ('old, obsolete') ~
8) ( misc. ) government often regulates ~; a branch of ~