1The oil refinery on the outskirts of the city has been a major source of pollution for decades.
2After the hurricane, the refinery was shut down for repairs, leading to a shortage of gasoline in the region.
3The company is investing heavily in upgrading its refinery to meet stricter environmental regulations.
4A visit to the refinery gave us a glimpse into the complex process of turning crude oil into usable products.
5The closure of the local refinery has had a devastating impact on the community, with hundreds of jobs lost.