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