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2 votes
This device blocks an opening along the base/floor of stairs or other walking or working surfaces where materials or body parts might otherwise inadvertently fall through. It should be 4 inches high, with not more than ? inch clearance above the floor.

User ZassX
by
6.8k points

1 Answer

6 votes

4 inches high, with not more than ΒΌ-inch

clearance above the floor

User Sa
by
6.5k points