Before revision: OPL is also included in Psion Teklogix industrial handhelds such as the Workabout mx .
After revision: , and it also appeared in the lesser known Oregon 'Osaris' organiser, a broadly compatible EPOC32 device that uniquely used version 4 of the OSOPL is also included in Psion Teklogix industrial handhelds such as the Workabout mx .