Series of shots inside Alta Vista Post Office Terminal: MCS of exit chutes of coding desk suites (CDS; 0:27). MS back view of female operator at optical character reader (OCR) presort channels as she places full trays into binny (1:10). FOLLOW SHOT of two men pushing binny past OCR to CDS (0:39). MS of man pushing binny from CDS to letter sorting machine (0:31).