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