Equipment technician
6
electric drill concrete drilling machine. a drilling machine tool design, which is convenient, fast. Save time, stay motivated to work
The use and maintenance of the
1. The secret is always sharp, drill
2. Remove drill head mum and catching drill into that after work every time
3. The handle and head gear grease repellent drill once a month
4. Select the drill, with sharp teeth and เลี้อย clubs that are appropriate to the task
5. Select the speed to suit the type of material and the size of the hole to be drilled
6. Do not use hand-drawn scrap metal while drilling
7. If the drill hole with a stuck piercing should be closed immediately, sawit.
8. Before drilling, according to the Center for cast iron pegs should be where you want to drill first
9. Holding tight to
10. Should both cut ends are cut from the correct location
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