Complex sentence: The RTC centralised the technical services provided by the regional Chief Mechanical & Electrical Engineers (CM&EE) to form the Department of Mechanical & Electrical Engineering (DM&EE) and housed the newly-formed British Rail Research Division which reported directly to the Board.
Split into simpler sentences: The RTC centralised the technical services provided by the regional Chief Mechanical & Electrical Engineers (CM&EE) to form the Department of Mechanical & Electrical Engineering (DM&EE). In addition, it housed the newly-formed British Rail Research Division which reported directly to the Board.