How to invest in Copper for the long term ?

I would like to know how an individual can invest in copper for the long term. As I read that the demand for Copper is going to grow rapidly due to the increased usage in EVs and renewable energy generation.
Is there an ETF exists for copper related stocks ? Or I will be better off just buy up a bunch of companies dealing with copper like $BHP Group Ltd(BHP.AU)$ , $Rio Tinto Ltd(RIO.AU)$ etc.