Bullet-sealing hose has been developed to protect America’s warplanes from “bleeding to death” from bullet wounds in fuel lines. The new hose, announced by the B. F. Goodrich Co., is an outgrowth of the self-sealing fuel taffks already in use. Despite numerous punctures from high-caliber machine gun bullets, the sealing member in the’hose prevents fuel leaks even under 16'to 15 pounds pressure. The hose wall 45 less than %s inch thick and is available in several different diameters.