The asthenosphere is a part of the upper mantle just below the lithosphere that is involved in plate tectonic movement and isostatic adjustments.n the old oceanic mantle the transition from the lithosphere to the asthenosphere, the so-called lithosphere-asthenosphere boundary (LAB) is shallow (about 60 km in some regions) with a sharp and large velocity drop (5-10%).
direct delivery. Consignment in which the delivery documents (such as a bill of lading) are sent directly to the consignee, without using an intermediary such as a bank.
See guide. 4. Direct, order, command mean to issue instructions. Direct suggests also giving explanations or advice; the emphasis is not on the authority of the director, but on steps necessary for the accomplishing of a purpose. Order connotes a personal relationship in which one in a superior position imperatively instructs a subordinate to do something.