C : to exert oneself physically or mentally especially in sustained effort for a purpose or under compulsion or necessity The energy sector is important to the city's economy. Even the church rein the Wieck district of Greifswald has solar panels on its roof. Tens of millions more people suffer https://edwinnygl39639.wikimeglio.com/9253660/injury_at_work_in_scotland_understanding_the_risks_legal_framework_and_prevention_strategies