Que. 2. Centre drilling is an operation of.......?
A. Drilling and countersinking B. Drilling and counter boring C. Marking the centre location before drilling D. Enlarging the diameter of a hole
- Vijaykharbade
- 10 Jan
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-
ArunAc
- 18 Sep
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- navel
- dnyaneahwar
- varun
- vivek
- anand
- kanhaiya
- sandeep
- ajay
- ashwini
- pankaj
- akhtar
- mohd
- aman
- diwakar
- kuldeep
- sunil
- sunil
- mayank
- jayadrath
- kishore
- rishav
- rahul
- shubham
- hetram
- deep
- ritnesh
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- mohan
- kishor
- anish
- shubham
- sachin
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