Are purchased materials traceable to material certifications and used on a first-in, first-out basis? If yes, please describe it.Is the material storage area clean, well organized, and sufficiently maintained to prevent damage ? If yes, please describe it.Any specified information to make plan for raw material, and safety stock ? If yes, please describe it.Does your compamy have an inventory management system to optimize inventory turns and stock rotations ? If yes, please describe it.