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233 Joker thumb thumb thumb thumb
BEING A CLOWN
Never walk past a chimpanzee while wearing a clown suit.
Todd Strong, circus school student, Chalons-sur-Marne, France
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 4.4 out of 10 based on 23 reviews
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234 Bicycles thumb thumb thumb thumb thumb
WEARING GOGGLES
Wear goggles on a bike when the temperature is below 40 degrees F.
Tanya Kucak, Palo Alto, California
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 5.1 out of 10 based on 29 reviews
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235 Astronomy thumb thumb thumb thumb thumb
MEASURING SOMETHING IN THE SKY
You can describe the location of objects that are low in the sky by holding your hand in front of you at arm's length. With your palm facing in and your pinkie on the horizon, the width of your hand covers 15 degrees of arc above the horizon.
Hugh Crowell, Columbus, Ohio
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 4.6 out of 10 based on 16 reviews
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236 Clothing thumb thumb thumb thumb thumb
BUYING CLOTHES THAT FIT
A sleeve is the right length if there are four to five inches between the end of the sleeve and the tip of your thumb.
Rick Eckstrom, plan review officer, Ithaca, New York
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 5.4 out of 10 based on 21 reviews
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237 Appliances thumb thumb thumb thumb thumb
COOLING WITH GRASS
Eight average front lawns have the cooling effect of about 20 central air conditioners.
Curt Suplee, writer and editor, in The Washington Post magazine
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 4.5 out of 10 based on 28 reviews
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238 Chess thumb thumb thumb thumb thumb
WINNING AT CHESS
Never take the opponent's queen's knight's pawn with your queen.
Norman Brenner, Fleetwood, New York
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 4.6 out of 10 based on 16 reviews
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239 Body Rules thumb thumb thumb thumb
ESTIMATING DISTANCES
If you hold your thumb at arm's length against a distant background, it is 2 degrees wide (four times the width of the full moon).
Norman Brenner, Fleetwood, New York
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 4.3 out of 10 based on 20 reviews
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240 Doctors thumb thumb thumb thumb thumb thumb
DIAGNOSING A PATIENT
Seventy percent of medical diagnoses can be made by taking a good medical history. Another 20 percent can be made by doing a good physical exam. Only 10 percent require laboratory procedures and X-rays.
Gerry M. Flick M.D., Ship's Surgeon, S.S. Constitution off Hawaii
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 6.2 out of 10 based on 22 reviews
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241 Uncategorized thumb thumb thumb thumb thumb
RUNNING ADS ON TV
You should run a TV commercial at least four times a day, four days a week, three weeks a month. If you run it less than that, your ad money would be better spent elsewhere.
Scott Parker, data specialist, Beaumont, Texas
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 5.4 out of 10 based on 25 reviews
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242 Business thumb thumb thumb thumb
SELLING A BUSINESS
An insurance agency will sell for one to two times its annual renewal commissions.
Terri Thompson, New York, New York
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 4.1 out of 10 based on 17 reviews
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243 Gambling thumb thumb thumb thumb thumb
PICKING A WINNER AT THE HARNESS TRACK
When you're at the harness track, bet on a horse that runs a fast first half-mile and has final quarter times under 31 seconds.
Don Valliere, track manager and author, Fort Erie, Ontario
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 4.8 out of 10 based on 15 reviews
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