Ovarian failure: Ovarian failure causes elevated fsh and lh, ovarian falure is mostly due to genetic or immune causes - although we do not know or understand all the possible reasons. ... Read more Dr. Gerard Honore Dr. Honore
Raw Materials. Pipe organs are primarily made of wood and metal. Wood used to make parts of the organ which are not visible, such as the action, may be made of plywood or soft woods such as poplar. Visible wooden parts, such as the console, are made from hard, decorative woods, such as mahogany or oak.
1 1 The main body of the saxophone is produced from brass. 2  This is made by first putting a brass tube on a long, tapered mandrel and then lubricating it. 3  The brass is reshaped and made a consistent thickness by a doughnut-shaped die that is drawn down the mandrel.he saxophone however, can be directly credited to Adolphe Sax who invented it during the 1800s. Sax was born in Belgium in 1814 and learned to make instruments from his father who was a musical instrument maker. By the age of 16, Sax was already an accomplished instrument maker himself.