| http://www.w3.org/ns/prov#value | - However, the volume of the slot cavity is generally less than the volume of other types of cavities such that the formation of the slot cavity requires less time and expense than the formation of other types of cavities. [0042]FIG. 6 illustrates an example underreamer 210 used to form a slot cavity, such as slot cavity 20 of FIG. 5.
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