Mature male factory engineer and black female worker talking on plant floor at control board of machine. Copy space. Production process or machinery concept Mature male factory engineer and black female worker Sizes: 640 × 427 / 1.024 × 682 / 768 × 512 / 1.075 × 717 / 1.536 × 1.024 / 2.048 × 1.365 / 640 × 427 / 350 × 230 / 380 × 249 / 650 × 427 / 825 × 542 / 304 × 170 / 370 × 247 / 2.560 × 1.706
