The control system provides for {TAIL ~ prompt and variable adjustment} by the operator of the amount of 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 { TAIL ~ prompt and variable adjustment } by the operator of the amount of 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
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