{HEAD ~ The drawer} is movable to the front of the desk while gliding on horizontal guides on the side walls and on a wheel attached to the front and moving along {TAIL ~ the floor} 
{ HEAD ~ The drawer } is movable to the front of the desk while gliding on horizontal guides on the side walls and on a wheel attached to the front and moving along { TAIL ~ the floor }
HEAD HEAD HEAD HEAD HEAD HEAD 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 TAIL TAIL TAIL TAIL TAIL TAIL