Depending on the cause of your pain, the solution might be a set of exercises, pain relief medication, minor surgery, or some combination of these. But for many people, knee and hip problems become so intractable that the best solution is to replace a worn-out knee or hip with a mechanical joint.
On the same day, the German firm IG Farben sets up a factory just outside Auschwitz, in order to take advantage of Jewish slave laborers from the Auschwitz concentration camps. Sobibor had five gas chambers, where about 250,000 Jews were killed between 1942 and 1943. A camp revolt occurred in October 1943; 300 Jewish slave laborers rose up and killed several members of the SS as well as Ukrainian guards. The rebels were killed as they battled their captors or tried to escape.
In Crematorium IV and V, for reasons of economy, the gas chambers had not been built underground but on the surface. Each of these chambers had been originally divided into three, later into four compartments, containing 1500, 800, 800 and 150 people respectively.