1 Discard any hammer with mushroomed or chipped face or with cracks in the claw or eye sections. 2  Wear safety glasses or goggles, or a face shield (with safety glasses or goggles).  Strike a hammer blow squarely with the striking face parallel to the surface being struck.
The first jet airplane was the Heinkel He 178 made in Germany in 1939, right before the outbreak of World War II .
A Brief History of the FAA. The modern age of powered flight began in 1903 when Orville Wright made the first sustained, powered flight on December 17 in a plane he and his brother Wilbur built.he FAA had to certify every new airline, and there were hundreds of applications after deregulation that FAA had to review and approve or disapprove. In the immediate years after the deregulation act, FAA flight standards and other offices focused primarily on the new applicants.