{HEAD ~ The construction} of {TAIL ~ the carriages} 72 allows 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 ~ The construction } of { TAIL ~ the carriages } 72 allows 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
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