An appropriate tool kit is provided for use with the system, the nature of {HEAD ~ the specific tools} being governed by {TAIL ~ the nature} of the specific extravehicular repair or servicing task to be performed 
governed by
An appropriate tool kit is provided for use with the system , the nature of { HEAD ~ the specific tools } being governed by { TAIL ~ the nature } of the specific extravehicular repair or servicing task to be performed
OTH OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH