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807 Children thumb thumb thumb thumb thumb thumb
CARING FOR A SICK CHILD
If your child is four months old or younger and is running a rectal temperature greater than 100 degrees F, get medical help.
Scott M. Kruse, biogeographer and Martha Betcher, medical technologist, Fresno, California
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 6.3 out of 10 based on 21 reviews
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808 Habits thumb thumb thumb thumb thumb thumb
KEEPING YOUR COFFEE WARM
If you like hot coffee, add the cream immediately after you pour yourself a cup. Don't wait until you're ready to drink it.
Gerry M. Flick M.D., Ship's Surgeon, S.S. Constitution off Hawaii
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 5.6 out of 10 based on 18 reviews
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809 Entertaining thumb thumb thumb thumb
TELLING A JOKE
Choosing the right inflection and tone of voice is important when telling a joke. It's also important to eliminate all unnecessary conjunctions. When in doubt, do Tonto.
Esquire magazine, how to tell a joke
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 4.2 out of 10 based on 17 reviews
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810 Flying thumb thumb thumb thumb thumb
STAYING PROFICIENT AS A PILOT
You should fly at least 100 hours a year to stay proficient as a fair-weather pilot. If you're flying on instruments, or IFR, make that 200 hours a year.
Jack Barclay, biologist, pilot, flight instructor, Santa Cruz, California
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 5.2 out of 10 based on 18 reviews
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811 Movies and Film thumb thumb thumb thumb
EDITING A MOVIE
If you can't direct-cut a film, your story's in trouble.
Dean Sheridan, electronics technician and deaf actor, Torrance, California
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 4.0 out of 10 based on 16 reviews
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812 Photography thumb thumb thumb thumb
SHOOTING PHOTOGRAPHS
A professional photographer should plan on exposing the equivalent of one roll of film per hour on the job. This applies for digital photography as well unless the photographer has become careless.
Jon Reis, photographer, Ithaca, New York
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 4.2 out of 10 based on 22 reviews
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813 Energy thumb thumb thumb thumb thumb
GENERATING POWER
When generating power on a large scale, no more than 15 percent should come from any one source. Things get screwed up when more than 15 percent of a system is out of service.
Joel Garreau, author
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 4.8 out of 10 based on 15 reviews
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814 Crime thumb thumb thumb thumb thumb
TAKING A LIE DETECTOR TEST
If you are innocent, do not take a lie detector test. If you're guilty, take it, because it may exonerate you.
Kevin Kelly quoting Discover
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 5.1 out of 10 based on 22 reviews
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815 Body Rules thumb thumb thumb thumb thumb
DETERMINING YOUR FRAME SIZE
You can determine your body frame size by wrapping your thumb and index finger around your wrist. If the thumb extends past the index finger, you have a small frame; if the thumb and index finger just meet, you have an average frame; and if the thumb and index finger do not meet, you have a large frame.
Terry Hayward, medical technician
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 4.7 out of 10 based on 24 reviews
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816 Joker thumb thumb thumb thumb thumb
PICTURING AN OIL WELL
A deep oil well has the same proportions as a human hair ten feet long.
Harold E. Haynes, addicted to statistical curiosities, Cherry Hill, New Jersey
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 4.6 out of 10 based on 19 reviews
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817 Color thumb thumb thumb thumb
GLAZING A BUTCHER SHOP
If you have a butcher shop with raw meat on display, the greener the glass in the window, the more the flies will stay away. Unfortunately, it has the same effect on customers.
Diana Souza, illustrator, Ithaca, New York
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 4.3 out of 10 based on 18 reviews
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