lid
part of a container that closes or seals it by fitting over and around the opening
blech
metal sheet used to cover stove top burners on Shabbat
Mercy seat
gold lid placed on the Ark of the Covenant
coal hole
metal or wood plate in the footpath outside a house, to give access to a coal bunker beneath
manhole cover
removable plate over manholes, to prevent things from falling into sewers and other tunnels