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Two students on stairway lea …
exwa_wmup_u-10064
Men and woman working at a t …
exwa_wmup_u-10193_008
Groups of men using lathes, …
exwa_wmup_u-10193_007
Man demonstrating with equip …
exwa_wmup_u-10193_003c
Man demonstrating with equip …
exwa_wmup_u-10193_003b
Man demonstrating with equip …
exwa_wmup_u-10193_003a
Man teaching, Manual Arts Bu …
exwa_wmup_u-10193_002b
Man teaching, Manual Arts Bu …
exwa_wmup_u-10193_002a