It preferably comprises a durable, one piece plastic turbine blade 8 and shaft 9 which is mounted into a split two piece outer casing 12 with {HEAD ~ a single seal} 13 for preventing {TAIL ~ liquid leakage} 
for preventing
It preferably comprises a durable , one piece plastic turbine blade 8 and shaft 9 which is mounted into a split two piece outer casing 12 with { HEAD ~ a single seal } 13 for preventing { TAIL ~ liquid leakage }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL