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raise borer
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Edit
English
edit
Noun
edit
raise
borer
(
plural
raise borers
)
English
Wikipedia
has an article on:
raise borer
Wikipedia
A machine used to
excavate
a
circular
hole
between two
levels
of an
underground
mine
without the use of
explosives
.
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English lemmas
English nouns
English countable nouns
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