Meaning of 4-to-1 rule | Babel Free
Definitions
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.
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.