[Obadiah]

...store old turbine blades

Kind of a euphemism for dumping, isn't it?

[cymbeline]

“...store old turbine blades kind of a euphemism for dumping, isn’t it? “

Absolutely. Why not dispose of many other things in abandoned coal mines?

I think the turbines were made as cheaply as possible for obvious reasons. Lifespan and recyclability were sacrificed.