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And before that, everyone's reaction was: "Wait, isn't Nokia a tire company?"

That's Nokian Tyres.

Same company. From https://en.wikipedia.org/wiki/Nokian_Tyres :

> A three-company merger formed the Nokia Corporation in 1967; Nokian Tyres Limited was established in 1988 as a joint venture company split from the conglomerate as Nokia Corporation started focusing entirely on the mobile communications business.

Rubber boots.

And before that, wood pulp and tissue paper.

The name of the company comes from a river which is the location of that wood pulp mill (sold out by Nokia over 20 years ago).

Isn't nokiankoski where someone mixed up the sewage in / drinking water out lines?

Just the town of Nokia. In 2007 it turned out that years ago, someone had designed a stupid arrangement at the wastewater treatment facility where a freshwater pipe was used to flush the sewage side. But if a maintenance man left the tap on, and put the sewage process going, some of the sewage would go backwards, into the freshwater side. A couple of thousand people were infected by norovirus or campylobacteria. Highly unusual.

https://en.wikipedia.org/wiki/Nokia_water_supply_contaminati...

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