Jacob's thigh was disabled by the Angel, to show the patriarch that his prevalence was through his faith and prayer, not through force, Genesis 32:25-31. Smiting the thigh was a gesture of self-condemnation and grief, Jeremiah 31:19 Ezekiel 21:12.
In general, a datum is a base elevation used as a reference from which to reckon heights or depths. A tidal datum is a standard elevation defined by a certain phase of the tide.
drawing an X at the location of the point. See Figure 18. This same symbol is also used to indicate the end view of a datum target line. Figure 18. Datum Target Point Symbol 3.2 FORM - Form tolerance symbols include straightness, flatness, circularity, and cylindricity. Although profile can be used to control form, profile tolerance symbols are contained in