The control system provides for prompt and variable adjustment by the operator of the amount of {TAIL ~ torque} transmitted to downstream components and also provides for {HEAD ~ the prompt and easy resumption} of the trenching operation after an obstruction has been encountered 
The control system provides for prompt and variable adjustment by the operator of the amount of { TAIL ~ torque } transmitted to downstream components and also provides for { HEAD ~ the prompt and easy resumption } of the trenching operation after an obstruction has been encountered
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH