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The Main Rules Collection (5130)
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2785
Fish
FEEDING YOUR FISH
If your fish do not consume their food within five minutes, you have fed them too much.
Rick Broadhead, Aquarium Hobbyist, Toronto, ON, Canada
(LR)
Legacy Rule of Thumb from previously published collections
(EC)
Collected by The Editors
Current Rating:
8.5
out of
10
based on
18
reviews
Comments (1)
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2787
Scuba Diving
SCUBA DIVING
After completing a no-decompression SCUBA dive, 2 hours later you can do half of that time at the same depth.
Peter M. Donahue, Electrician, Falmouth, MA, USA
(LR)
Legacy Rule of Thumb from previously published collections
(EC)
Collected by The Editors
Current Rating:
6.7
out of
10
based on
14
reviews
Comments (1)
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2788
House and Home
FREEZING TONIC WATER
When freezing a 2 liter bottle of tonic (soda) first empty the bottle to the top of the label. Subsequent expansion will not explode the bottle.
Peter M. Donahue, Electrician, Falmouth, MA, USA
(LR)
Legacy Rule of Thumb from previously published collections
(EC)
Collected by The Editors
Current Rating:
6.4
out of
10
based on
15
reviews
Comments (1)
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2789
Music
TUNING FLUTES
Cold flutes are flat.
Mandy Reinert, Student, LaCrosse, WI, USA
(LR)
Legacy Rule of Thumb from previously published collections
(EC)
Collected by The Editors
Current Rating:
7
out of
10
based on
13
reviews
Comments (1)
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2790
Music
FINDING WHERE TO PUT YOUR MOUTH ON A CLARINET
To find the correct place to put your mouth on a clarinet reed, put a piece of paper between the reed and the mouthpiece. Where the paper stops is the correct place for your mouth.
Mandy Reinert, Student, LaCrosse, WI, USA
(LR)
Legacy Rule of Thumb from previously published collections
(EC)
Collected by The Editors
Current Rating:
6.5
out of
10
based on
14
reviews
Comments (1)
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2791
Exercise
DETERMINING YOUR RATE OF EXERCISE
If you can talk, you are exercising at the correct level.
Mandy Reinert, Student, LaCrosse, WI, USA
(LR)
Legacy Rule of Thumb from previously published collections
(EC)
Collected by The Editors
Current Rating:
7.8
out of
10
based on
14
reviews
Comments (2)
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2792
Driving
EFFECT OF MAKING A STREET ONE WAY
You don't double a street's capacity by making it one way. You triple, even quadruple it.
Kevin Kelly, Whole Earth, CA, USA
(LR)
Legacy Rule of Thumb from previously published collections
(EC)
Collected by The Editors
Current Rating:
6.4
out of
10
based on
14
reviews
Comments (1)
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2793
Sports
SPEED OF TENNIS SERVE
Most non-professional tennis players will serve their second serve with 10 to 20 MPH less speed than their first serve.
Bill Gerk, Burlingame, CA, USA
(LR)
Legacy Rule of Thumb from previously published collections
(EC)
Collected by The Editors
Current Rating:
6.8
out of
10
based on
13
reviews
Comments (1)
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2794
Bicycles
UNICYCLE SEAT POSITION
The unicycle seat post should go into the stem at least two and a half times its diameter.
Glen Swan, Bicyclist, Ithaca, NY, USA
(LR)
Legacy Rule of Thumb from previously published collections
(EC)
Collected by The Editors
Current Rating:
5.4
out of
10
based on
15
reviews
Comments (1)
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2796
Music
CHOOSING A CONDUCTOR'S BATON
You should be able to balance a good conductor's baton one and one quarter inch up the shaft from the handle. If it balances any further up the shaft than that, you will find yourself holding the baton incorrectly to compensate. Your arm will get tired.
Wendy Ksiow, Senior Legal Processing Bank Clerk, Photographer and Seamstress, Garden Grove, CA, USA
(LR)
Legacy Rule of Thumb from previously published collections
(EC)
Collected by The Editors
Current Rating:
6.6
out of
10
based on
14
reviews
Comments (2)
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2797
Weapons
WHERE NOT TO KEEP YOUR CONCEALED WEAPON PERMIT
Never keep your concealed weapon permit next to your driver's license. On a routine traffic check the police officer will detain and question you about ten minutes longer.
Terry Kranning, Professional Knife Maker, Pocatello, ID, USA
(LR)
Legacy Rule of Thumb from previously published collections
(EC)
Collected by The Editors
Current Rating:
7.0
out of
10
based on
13
reviews
Comments (2)
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