To meet the power demands of modern devices, researchers have be

To meet the power demands of modern devices, researchers have been looking for materials that can store more and more electricity. That's where the use of industrial glass comes in. Industrial glass is stronger and more durable than the glass in household windowpanes and mirrors, and it's more resistant to repeated chemical reactions.
【正确答案】：于是人们开始使用工业玻璃。（考点：表语从句的理解与翻译）