 Telephone lines were disconnected, mail was subjected to renewed postal censorship, all independent political organizations were criminalized and lessons in schools and universities temporarily suspended.The government imposed a six-day workweek while the mass media, public services, healthcare services, power stations, coal mines, seaports, railway stations, and most key factories were placed under military management, with employees having to follow military orders or face a court martial.As part of the crackdown, media and educational institutions underwent "verification", a process that tested each employee's attitude towards the regime and to the Solidarity movement; as a result, thousands of journalists, teachers and professors were banned from their professions.