cleaning staff to ensure waste is correctly sorted and to ask them to report issues such as overflowing bins or contamination to the caretaker or management team.
staff glanhau i sicrhau bod gwastraff yn cael ei sortio’n gywir a gofyn iddyn nhw roi gwybod i’r gofalwr neu’r tîm rheoli am faterion fel biniau’n gorlifo neu halogiad.