1. The retiring miner pneumatic drill over to his successor.

2. Tapping drilling tools: gas drilling, Eucampia pneumatic drill, pneumatic tapping machine, chamfering machine.

3. But, the manufactural precise and the cost of pneumatic drill are very high, so there are many research works in this fields.

4. The invention of pneumatic drill . This device compressed air to bore holes in the rock.

5. At 100 decibels, the level produced by a chain saw or pneumatic drill, the allowable exposure is three hours.

6. Minutes later he was making a noise like a pneumatic drill.

6. Wish you will love and make progress everyday!

7. By that time the cinema had closed down, sold to a firm making fibreglass covers for pneumatic drills.

8. For years the city vibrated to the sound of diggers and pneumatic drills.

9. Perry, in a fishing jacket, moving like a marionette that swallowed a pneumatic drill.

10. Her left arm by her side, her right elbow out at an angle and her forearm shaking like a pneumatic drill.

11. Now imagine men are trying to break in using pneumatic drills.

12. This paper designed a new type of muffler for pneumatic drill with the theory of impedance.

13. Our dominant products including: industrial pneumatic tools such as pneumatic wrench, pneumatic grinder, pneumatic screwdriver, pneumatic drill, pneumatic pick, and pneumatic tapper etc.

14. As the men refused to stop working, the police attempted to seize the pneumatic drill.

15. This paper is based the full analyse and research of noise source of pneumatic drill.

16. When a student recently saw two workmen using a pneumatic drill outside his university.

17. It can provide the base for noise control of pneumatic drill.