| 31. | Normal operating pressure is above 2, 000 pounds per square inch.
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| 32. | The theoretical storage capacity of molecular memory is 10 terabits per square inch.
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| 33. | His pictures have an amazing 1, 200 or more stitches per square inch.
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| 34. | At 452 square inches, Mill End is the smallest park in the world.
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| 35. | The entire circuit covers an area less than a trillionth of a square inch.
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| 36. | Severe periodontal disease is the equivalent to a wound of about eight square inches,
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| 37. | These companies collect advertising revenue for every square inch of space in the catalog.
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| 38. | They'll check every square inch of this rat hole ."
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| 39. | Luxury thread counts begin at approximately 300 per square inch.
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| 40. | That means the number of dots the printer can produce in a square inch.
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