Therefore, {HEAD ~ the plurality} of cables are held together at a predetermined position at the time of assembly, so do not interfere with {TAIL ~ the assembly work} 
Therefore , { HEAD ~ the plurality } of cables are held together at a predetermined position at the time of assembly , so do not interfere with { TAIL ~ the assembly work }
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL