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Building--Equipment and supplies
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Construction equipment
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Boring machinery
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Bits (Drilling and boring)
Bits (Drilling and boring)
Topic
sh85014471
·
id.loc.gov
Used for
Drill bits
Broader Terms (2)
Boring machinery
Drilling and boring machinery
Hierarchy
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Narrower Terms (4)
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Augers
Coal-cutting bits
Diamond bits
Drag bits (Drilling and boring)
