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The Main Rules Collection (5130)
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3071
Miscellaneous
METROCARD ON THE GROUND
The potential value of a Metrocard on the ground is in inverse proportion to the distance it is from the closest subway station.
Lawrence Quigley, Artist / Web developer, Brooklyn, NY, 11238
(3)
Contributions from this contributor since (2008-01-09)
Current Rating:
6.2
out of
10
based on
20
reviews
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3839
Driving
STOPPING FOR PEDESTRIANS
When stopping at an intersection with a crosswalk, make sure you can just see the far line over the front of your car.
Mike White, Independent IT Consultant, Phoenix, Arizona, USA
(17)
Contributions from this contributor since (2008-01-08)
Current Rating:
6.6
out of
10
based on
13
reviews
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4095
Mechanics
QUICK PHYSICS TRICK
When solving physics problems, always use 10 m/s^2 for the value of g, the acceleration due to gravity. It's close enough to the actual value of 9.8 m/s^2 and you're much less likely to make a silly math mistake. Don't use this rule if you work for NASA.
Frank, Biophysicist, Berkeley, CA, USA
(15)
Contributions from this contributor since (2007-10-23)
Current Rating:
5.3
out of
10
based on
16
reviews
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4351
Business
DELIVERY SERVICE DROP BOXES.
The time listed on a delivery service's drop box for final pickup is usually the ONLY pick up for the day. Pick ups are almost always once a day.
Frank J. Curran, Philadelphia, PA, USA
(6)
Contributions from this contributor since (2008-12-27)
Current Rating:
6.3
out of
10
based on
12
reviews
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4607
Business
OPPOTUNITY KNOCKS
When opportunity knocks, don't complain about the noise.
Silvax, Wheel Man, Muskegon, MI, USA
(13)
Contributions from this contributor since (2009-05-13)
Current Rating:
7
out of
10
based on
13
reviews
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5119
Miscellaneous
POSSIBILITIES
Anything is possible to people who don't know what they're talking about.
C, Trussville, AL
(34)
Contributions from this contributor since (2008-04-03)
Current Rating:
6.6
out of
10
based on
11
reviews
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1077
Grooming
USING A PUBLIC TOILET
In a public restroom, the middle toilet stalls are used the most.
Scott Parker, data specialist, Beaumont, Texas
(LR)
Legacy Rule of Thumb from previously published collections
Current Rating:
5.4
out of
10
based on
18
reviews
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2407
Wind
FORECASTING THE WEATHER
If the day is even slightly windy and the wind suddenly dies, expect a wind shift.
Kim Murphy, columnist, Portland, Maine
(LR)
Legacy Rule of Thumb from previously published collections
Current Rating:
5.4
out of
10
based on
16
reviews
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2405
Dieting
DIETING
Most overeating happens at night. If you can't diet all the time, diet after dark.
Arthur Phillips, Fort Myers, Florida
(LR)
Legacy Rule of Thumb from previously published collections
Current Rating:
5.6
out of
10
based on
17
reviews
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1106
Business
THE MARKETING RULE OF THREE
Any new product should have at least three easily recognizable advantages over its competition.
Lloyd Barringer, sales representative
(LR)
Legacy Rule of Thumb from previously published collections
Current Rating:
5.9
out of
10
based on
19
reviews
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2409
Personalities
PREDICTING BEHAVIOR
The best predictor of future behavior is past behavior.
Dr. Angelo Valenti, consulting psychologist, Nashville, Tennessee
(LR)
Legacy Rule of Thumb from previously published collections
Current Rating:
6.1
out of
10
based on
17
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