The stomach has an internal lining, or mucous membrane, called the gastric mucosa. The mucosa must create hydrochloric acid to break down food, but also protect itself from the acidic contents that it creates. This delicate balance is controlled by three different glands in the lining of the stomach.
The IMF, the SDR, and the Dollar: One Big Happy. The SDR is a fake currency issued by the International Monetary Fund. It was invented in 1969, the first year of the Nixon administration. It was a stop-gap measure to save the fixed exchange rate system of currencies, which came into existence in 1946, when the 1944 Bretton Woods system was implemented.
Â· just now. 1  SDS is a style of bit used for Rotary Hammers. The old hammer drill had a chuck and key and used smooth shank percussion type masonry drill bits. 2  Dewalt 2 to 1. luz Â· 1 year ago. 3  SDS in this context refers to the type of shank on the bits used by a drill. This type was developed by Bosch in Germany and stands for a german phrase that I can't even close to remember, but the translation is insert - twist - stay, referring to the way the bits are installed in the drill.