This is diagrammatically represented by pouring {HEAD ~ the liquid} 38 from {TAIL ~ a flask} 40 into a beaker 40 containing the powder 
This is diagrammatically represented by pouring { HEAD ~ the liquid } 38 from { TAIL ~ a flask } 40 into a beaker 40 containing the powder
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH