Some of these keys have unique symbols defined in the Unicode block Miscellaneous Technical.
Technical University of Denmark | Technical University of Lisbon | Technical University of Berlin | technical | National Technical University of Athens | Technical University of Madrid | Riga Technical University | Cass Technical High School | Middle East Technical University | Lane Technical College Prep High School | Czech Technical University in Prague | Brooklyn Technical High School | Technical standard | Technical drawing | technical school | Railway Technical Centre | North Carolina Agricultural and Technical State University | Englewood Technical Prep Academy | Bauman Moscow State Technical University | Sydney Technical College | Lakeshore Technical College | Istanbul Technical University | Aeronautical Technical Institute | Technical University | technical drawing | Technical diving | Technical Director | technical college | Star Trek: The Next Generation Technical Manual | Public Scientific and Technical Research Establishment |