{HEAD ~ A micro element} 25, comprising {TAIL ~ the angle} being between 120° and 130° 
{ HEAD ~ A micro element } 25 , comprising { TAIL ~ the angle } being between 120 ° and 130 °
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH