existing asbestos can be managed in situ (covered or protected and the condition monitored) if it is in good condition and unlikely to be damaged/worked on/disturbed
rhaid i’r pecynnau (cynhwyswyr, trolïau ac unrhyw gyfarpar arall) gael eu glanhau a’u diheintio’n effeithiol cyn eu hailddefnyddio neu mae'n rhaid eu dinistrio