Raise borer
Sign in to saveraise is a shaft in a mine which joins two levels by definition mined upwards
In the Vinony graph
Vinony's link graph records 14 inbound references to Raise borer, and connects out to mining, explosive chemicals and 2010 Copiapó mining accident.
It is catalogued under topics including Mining equipment and Underground mining.
Vinony links it to 4 Wikipedia language editions.
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