◎◎◎ copper ⪢⪢
Copper is a red-brown metal often used in electric wire and pipes.
http://qindex.info/i.php?x=13303

○○○ enact ⪢⪢
The European Commission reaches an agreement with the United States in a dispute over metal tarrifs enacted by former president Donald Trump. 2021-05-17
http://qindex.info/i.php?x=15400

○○○ lid ⪢⪢
The top part of the pot is called a lid or cover. It can be made of metal or glass.
http://qindex.info/i.php?x=17727

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