Electric lamp and gear. Bulb light idea. concept of big ideas inspiration innovation, invention, connection and operation engineering, teamwork, breakthrough. Line art. Pen and nib. Web design 入力デバイス チームワーク コンピューターのマウス Electric lamp and gear.
Electric lamp and gear. Bulb light idea. concept of big ideas inspiration innovation, invention, connection and operation engineering, teamwork, breakthrough. 発明 チームワーク エンジン Electric lamp and gear.