. "punchwork is produced by punches (marking tools)" . . . "things - [are] produced by - things/[equipment].\nExample: stereoscopic photographs are produced by stereoscopic cameras; punchwork is produced by punches (marking tools)" . . . "2212" . "stereoscopic photographs are produced by stereoscopic cameras" . . . "produced by - things" . "aat2212_produced_by" .