Despite his incredible evidence for continental drift, Wegener never lived to see his theory gain wider acceptance. He died in 1930 at age 50 of a probable heart attack while on a scientific expedition in Greenland.
drill press - a machine tool with a separate, upright stand; an electric drill is pressed into the work automatically or with a hand lever. 1  electric drill - a rotating power drill powered by an electric motor. 2  machine tool - a powered machine for cutting or shaping or finishing metals or other materials.
V.A.C.Â® Therapy is the most established negative pressure system and uses a vacuum to create continuous or intermittent negative pressure at the wound bed to remove fluid, exudate and infectious materials as well as stimulating perfusion and new tissue growth (WUWHS, 2008) (Box 1).