简约风黑白线条工业机械工人操作设备场景插画

minimalist industrial icons, black and white color scheme, 12 independent industrial production scenes, adult workers operating machinery, static working postures, focused operation, interaction between workers and machinery, mechanical equipment and production lines, evenly distributed, industrial atmosphere, orderly and efficient, no decorative elements, no text, pure white background, clear and intuitive, conveying industrial production and automation information