Amyotrophic lateral sclerosis (ALS), sometimes called Lou Gehrig's disease, is a rapidly progressive, invariably fatal neurological disease that attacks the nerve cells (neurons) responsible for controlling voluntary muscles.
The Alpine Scheitholt furnishes an example of this older type of European zither. By the late 18th century, two principal varieties of European concert zither had developed, known as the Salzburg zither (with a rounded side away from the player), and the Mittenwald zither (with both sides rounded).
Vaporizer Types-VaporNation. The interactive diagrams below will guide you through the process of vaporization using three common types of vaporizers: Standard Vaporizers, Portable Vaporizers, and Forced Air Vaporizers.