Equipment technician.6. Electric drill (Electric Drill) electric drill, a drill machine tool, which is convenient, fast, time-saving labor work.The use and maintenance.1. Secret drill, sharp.2. Take out and rotate the drill head to catch bits in place after every use.3. Apply the grease that gear and head catch drill once a month.4. Select bits are fed and sharp teeth status clubs that suitable for the job.5. Choose the speed to suit the type of material, and the size of the hole to the drill.6. Should not hand pull the scrap metal in while drilling.7. If you stuck with a hole to close the switch ทันทีั. "8. Before drilling should be nailed iron lead center according to the position which needs to penetrate the first.9. Catch piece tightly.10. Should give sharp cut both started cutting in proper position.
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