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Ladders
Questions (2)
When leaned against a vertical structure, a straight ladder can be used safely if its top is no more than 4 above the base of
4 answers
asked by
Reddy
770 views
The Consumer Product Safety Commission recommends that the base of a ladder should be set out 1 foot from a wall for every 4
2 answers
asked by
Manuel
496 views
Subcategories (1)
Safety and Measurement
Parent Categories (2)
Geometry
Home Improvement