Gear icon. Cogwheel for industry. Gearwheel of engine. Circle wheel with cogs for machinery. Set of silhouette for technical, mechanism, clock and factory. Black icons of metal gearwheel. Vector.. Gear icon. Cogwheel for industry. Gearwheel of engine. Circle wheel with cogs for machinery. Set of silhouette for technical, mechanism, clock and factory. Black icons of metal gearwheel. Vector