30ac Slang for an accident in an aircraft or car. (5) (??a?g) 31ac Russian-born designer noted for his Folies- Bergeres costumes.(4) (E?t?) 4d 5-pointed implement used to draw parallel staff lines in mss.(7) (r?stru?) 21d Percussion instrtument comprising two pieces of wood that are slapped together.(7) (?lac??r)