But if microwave oven wall is put in crack, or production material is imperfect, so the ray inside microwave oven is met leak, cause a harm to human body thereby.

• 但假如微波炉内壁存在裂痕，或制造材料有瑕疵，那么微波炉内的射线就会泄漏，从而对人体造成危害。