Padauk (or padouk) is a tree Pterocarpus indicus found in the tropics of southeast Asia with a red wood with an etiolated or sometimes striped black grain. The wood, known as amboyna, is used mainly for decoration on furniture.
All Wikipedia text
is available under the
terms of the GNU Free Documentation License
Search Encyclopedia
Search over one million articles, find something about almost anything!
... when the axis starts "rolling" inside the groove. (Compare with graphic below.) Since this friction force is essential for the device's operation, the groove must not be ...