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