| 11. | In January, a drilling machine was drafted into service.
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| 12. | Generally, all magnetic drilling machines have brush DC motor.
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| 13. | Most shallow well drilling machines are mounted on large trucks, trailers, or tracked vehicle carriages.
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| 14. | It plays a very important role on performance and life of the magnetic drilling machines.
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| 15. | This process can happen on a deep hole drilling machine or a dedicated skiving machine.
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| 16. | Thanks to these drilling machines, bed-ridden patients could simply undergo treatment at home or in hospital.
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| 17. | An oil bath gearbox is considered to be the heavy duty gearbox for magnetic drilling machines.
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| 18. | Machinery equipment consisted of the 44 lathes, 11 planers, 4 chiselings, 24 drilling machines and others.
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| 19. | This included factories in United States, China, Japan making above ground rotary blasthole and deephole drilling machines.
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| 20. | In a new innovation for Queensland several kinds of drilling machines were experimented with but all failed.
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