. . . . . . . . . . . "TWI" . "Joining Innovation with Expertise" . . . . "TWI - The Welding Institute" . . . . . . . . . "Private Company" . "TWI Ltd" . "the Institute of Welding" . . . . "1968-03-28" . "Welding Research" . . . . . . . . "Welding Engineers" . "The Welding Institute" . "TWI" . . . . . . . . . . "The Welding Institute" . . . . . "The Welding Institute (TWI)" .