{HEAD ~ The construction} of the carriages 72 allows {TAIL ~ the barrier member} 12 to be positioned near the sides 23 of the building 24 without engaging surfaces of the sides 23, so that the siding 25 a and closure pieces 25 b do not become damaged 
allows
{ HEAD ~ The construction } of the carriages 72 allows { TAIL ~ the barrier member } 12 to be positioned near the sides 23 of the building 24 without engaging surfaces of the sides 23 , so that the siding 25 a and closure pieces 25 b do not become damaged
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH