Disclosed is a process for {HEAD ~ mixing} and gentle transport and {TAIL ~ transfer} of powders to substrates 
Disclosed is a process for { HEAD ~ mixing } and gentle transport and { TAIL ~ transfer } of powders to substrates
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH