Performs auxiliary technical tasks, normally under direction and supervision of chemist, in connection with pure research into chemical phenomena or applied chemical research and development work.
Performs auxiliary technical tasks, normally under direction of physicist, in connection with pure research into physical phenomena or applied physics research and development work.
This group includes physical science technicians not elsewhere classified, for example those who perform auxiliary technical tasks in connection with research and development work conducted by geological, geophysical meteorological and astronomic scientists.