The clutching arms are symmetrically mounted on the main body by {HEAD ~ the fixing plates} thereof fixed on {TAIL ~ two opposite sides} of the main body 
fixed on
The clutching arms are symmetrically mounted on the main body by { HEAD ~ the fixing plates } thereof fixed on { TAIL ~ two opposite sides } of the main body
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 TAIL OTH OTH OTH OTH