. . . . . . . . . . . . . . . . . . "Kevlar49" . . . . . . "Poly(azanediyl-1,4-phenyleneazanediylterephthaloyl)" . . . . . . . . . "Kevlar technology" . . . "Kevlar" . . . . . . "Kevlar vest" . . . "Kevlar" . . . . . . "aramid fibre" . . "kevlar" . . . . . . . . . . . . . . . . .