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4-to-1 rule
Language
Watch
Edit
English
edit
Proper noun
edit
the 4-
to
-1
rule
A
rule of thumb
for setting up a
ladder
safely by positioning the legs of the ladder one
foot
away from the base of the wall for every four feet of
height
.
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English lemmas
English proper nouns
English uncountable nouns
English multiword terms
English terms spelled with numbers