Sharp SH-920 Instruction Manual page 8

 All Sharp machines have been undertaken a 4-hour running test for
small machines and an 8-hour test for bigger machines before
delivery, to insure their excellent condition. Please contact us
immediately if there are any questions related to our machines.
 We would like to emphasize Sharp three prominent features as:
1. Smooth table traverse running
2. Quiet machine operations
3. Simple and modern machine-design without much maintenance
required
Thank you for using Sharp surface grinding machines and sincerely hope
Sharp machines can grind you a bright future. Please enjoy it!
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