在其中一个房间里，一组人使用板擦、刷子和纯净水，清洁并扫描39000张泛黄的病历卡，这些病例书写在从卡纸到厕纸在内的所有东西上。
In one room, a team wielding erasers, brushes and purified water clean and scan 39, 000 yellowing medical records written on everything from card stock to toilet paper.
除了可使用紫外线吸收剂来防止泛黄外，使用抗氧剂来防止泛黄也是可能的。
It's possible to resist yellowing by using anti-oxidants besides ultraviolet absorber.
应用推荐