The conveyor has {HEAD ~ carrying rods} on which the hooks are suspended, with {TAIL ~ at least one descending discharging rod} by which the material slides off under gravity 
with
The conveyor has { HEAD ~ carrying rods } on which the hooks are suspended , with { TAIL ~ at least one descending discharging rod } by which the material slides off under gravity
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH