Short-term disability insurance, which is most often purchased as part of a group at work, can be paid by either the employer or the employee. Group short-term disability insurance policies are guaranteed issue, meaning you do not have to take a medical exam to buy coverage.
In 1650, Otto von Guericke invented the air pump, used to create a partial vacuum. Using hollow copper spheres and an air pump of his own construction, Guericke demonstrated that a partial vacuum could be created by pumping the air out of the sphere.
German Gottlieb Daimler invented the first gas-engined motorcycle in 1885 when he attached an engine to a wooden bike. That marked the moment in history when the dual development of a viable gas-powered engine and the modern bicycle collided.Gottlieb Daimler used a new engine invented by engineer, Nicolaus Otto.Otto invented the first Four-Stroke Internal-Combustion Engine in 1876, dubbing it the Otto Cycle Engine. As soon as he completed his engine, Daimler (a former Otto employee) built it into a motorcycle.merican Sylvester Howard Roper (1823-1896) invented a two-cylinder, steam-powered velocipede in 1867. This can be considered the first motorcycle, if you allow your description of a motorcycle to include a coal-fired steam engine.