The derrick crane introduces a problem for which many solutions have been sought, that of preventing the load from being lifted or lowered when the jib is pivoted up or down to alter the radius.
The Everard of the Lettres introduces us to a new and for the time a dominant influence on the life and writings.
The prophet regards Yahweh's administrative control as immediate:' he introduces no angels or other subordinate supernatural agents - the cherubs and the " men " of ix.
Trace out the clue of causation to the end, says Hegel in effect, and it introduces you, not to a single first cause beyond nature, but to the totality of natural process - a substance, as it were, in which all causes inhere.
The story in this form belongs to the time of Virgil, who first introduces the name of Aristaeus.