Assertion: trench | /r/HasProperty | dug
Facets:
value: an increased risk of cave
type: OTHER
Source sentences:
text: A trench was dug three and a half feet wide, four feet eight inches deep, and eight feet long.
text: As the trench is dug deeper, the planks are driven down.
text: When trenches are dug more than 5 feet deep, an increased risk of cave-in exists.
text: The trench should be dug on the uphill side of the area where underground hydrostatic pressure is most acute, parallel to the affected section of underground basement wall (the trench can be dug to curve around the house if underground hydrostatic pressure is a problem on more than one side).