@LahtiLinda @Jessicam6946 Until hard to breath or fit is impaired, or visibly dirty or damaged.
Be careful about contamination. Avoid touching the inside and wash/sanitize hands after handling.
@LahtiLinda@Jessicam6946，直到呼吸困难或身体不适，或明显脏污或损坏。
小心污染。避免触摸内部，并在处理后洗手/消毒。