Rocket stove. A rocket stove is an efficient and hot burning[1] stove using small-diameter wood fuel.[2] Fuel is burned in a simple combustion chamber containing an insulated vertical chimney, which ensures almost complete combustion prior to the flames' reaching the cooking surface.
What Is Myasthenia Gravis? Myasthenia gravis is a chronic condition that causes muscles to tire and weaken easily. For example, if you have myasthenia gravis, you may notice that during a meal, your jaw muscles become tired and weak, interfering with your ability to chew food.
Things to remember. 1  Myasthenia gravis is an autoimmune disease that causes muscle weakness. 2  The symptoms are caused by the immune system interfering with the transmission of messages from the nervous system to the muscles. 3  There is no cure, but the symptoms can be managed.