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