WordNet sense 1 (of or relating to a practical subject that is organized according to scientific principles):

technological

WordNet sense 2 (marked by or characteristic of specialization in a mechanical or scientific subject):

specialized

WordNet sense 3 ((basketball) a foul that can be assessed on a player or a coach or a team for unsportsmanlike conduct; does not usually involve physical contact during play):

technical foul

WordNet sense 4 (connected with or engaged in or sponsored by or used in commerce or commercial enterprises):

commercial