A further object was, through a suitable choice of the reaction implementation, to reduce {HEAD ~ the formation} and the discharge of silicon dust from the fluidized bed to {TAIL ~ an extent} that additional measures can be obviated 
A further object was , through a suitable choice of the reaction implementation , to reduce { HEAD ~ the formation } and the discharge of silicon dust from the fluidized bed to { TAIL ~ an extent } that additional measures can be obviated
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH