In a mess with one. 1D Body built up in book (4) I have EM?? 12A Gives smooth surface to metal in Siemens, for instance (6) I have ?A?I?S. 10D Rock beat with hi-fi set up in lower part of building (10) I have ??E?E?BA?E. Any help appreciated and then I may be able to get 27 Across with which I am lost!!!!