{HEAD ~ System} for crushing and discharging {TAIL ~ powder} and granular material caking in storage tank 
for discharging
{ HEAD ~ System } for crushing and discharging { TAIL ~ powder } and granular material caking in storage tank
HEAD HEAD HEAD HEAD HEAD REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH