drive elements to maintain oscillating tangential vibrations of the masses about the z axis, as a result of which the masses are subject to Coriolis forces and the deflections caused by the Coriolis forces when {HEAD ~ the substrate} rotates around {TAIL ~ any spatial axis}; and 
rotates around
drive elements to maintain oscillating tangential vibrations of the masses about the z axis , as a result of which the masses are subject to Coriolis forces and the deflections caused by the Coriolis forces when { HEAD ~ the substrate } rotates around { TAIL ~ any spatial axis } ; and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH