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wrench drawn with chalk on blackboardの素材 [FY31011793064]

機器 abstract background banner blackboard blank blankness board chalk chalkboard classroom construction design detail education engineering equipment fitter fix flat frame glass grunge handyman hardware icon industrial industry inside iron key label lacunae maintenance mechanic mechanical metal metallic object pattern plank plumber repair school schoolroom service shiny spanner steel supply support symbol tag teaching technology texture tighten tool tradesman white work workshop wrench write