Because of the First World War, Wegener's book went unnoticed outside Germany. In 1922, however, a third (revised) edition was translated into English, French, Russian, Spanish, and Swedish, pushing Wegener's theory of continental drift to the forefront of debate in the Earth sciences.
How to Use a Drill Press Machine: A drilling machine comes in many shapes and sizes, from small hand-held power drills to bench mounted and finally floor-mounted models. They can perform operations other than drilling, such as countersinking, counterboring, reaming, and tapping large or small holes.
1 Cold press is used for a wide variety of watercolor effects from washes to detail work. 2  Hot press is primarily used for detail work due to its smooth finish.  Beware, the texture of paper can vary from manufacturer to manufacturerâwhatâs considered smooth for one may be toothy by anotherâso you have to experiment.