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