. . . "0"^^ . . . "0"^^ . "photomechanics"^^ . "113537176"^^ . . "the process whereby printing surfaces (plates or cylinders) are produced by photographic methods; \"photomechanics revolutionized the practice of printing\""@en-us . . . "112772737"@en-us . . . "photoplate making"@en-us . . "13537176-n"^^ . . "photomechanics"@en-us .