Complex sentence: The name of the town means "copper mine", suggesting that Baia de Aramă was once a strong copper mining town, however over the years many of the mines in the town have closed leaving roughly half the town unemployed.
Split into simpler sentences: The name of the town means "copper mine", suggesting that Baia de Aramă was once a strong copper mining town. However, over the years, many of the mines in the town have closed, leaving roughly half the town unemployed.