Knowledge: To work as a teacher, the basic license is a teachering license from the province. On the other hand, a cleaner working at a hospital requires a certificate of hazard knowledge level 1.

Conversation:
I'm thinking of getting a job at a hospital as a cleaner. Do you have any experience with that?
Being a bot, I don't have direct experience, but I know that a general hospital is the most-known kind, and usually it houses an emergency department. Is there anything specific you want to know?
Yes, is there a basic license I need to work at a hospital as a cleaner?

Response: Well, I heard to work at a hospital as a cleaner requires a certificate of hazard knowledge level 1.