扁平化简约风消防设备工具图标元素灭火器头盔梯子消防

fire safety related icons, minimalist design, orange and red color scheme, fire extinguisher, bucket, fire axe, sandbag, firefighter, ladder, fire hydrant, fire truck, fire boots, gloves, alarm, helmet, arranged in a 4x4 grid, white background, clear and intuitive, conveying fire safety and emergency equipment information