00293nam a2200121Ia 4500100001700000650002700017654003300044245003300077260002600110082001500136300000800151546001200159  aFrancis/T.G   aElectrical Engineering  aElectrical Installation Work  aElectrical Installation Work  bLongmanaLondonc1981  a621.3bFra  a337  aENGLISH