User researchers and other practitioners who speak Welsh can be in high demand, and may have to support multiple projects at once without considering their workload.
Gall fod galw mawr am ymchwilwyr defnyddwyr ac ymarferwyr eraill sy'n siarad Cymraeg, ac efallai y bydd yn rhaid iddyn nhw gefnogi sawl prosiect ar unwaith heb sôn am eu llwyth gwaith eu hunain.