Home > Term: horizontal borer
horizontal borer
A machine, making holes from 2 to 6 in (5.08 to 15.24 cm) in diameter, used for drilling overburden at opencut coal mines. Bits are of the auger or winged types.
- Jenis Kata: noun
- Industri / Domain: Pertambangan
- Kategori: Peratmbangan secara umum; Mineral mining
- Government Agency: USBM
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- ed.young
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